commit ed2653ae7dba9c072dcca1aed03b7cda0d910c85
Author: Alex Auvolat <alex@adnab.me>
Date:   Wed Dec 7 15:35:12 2022 +0100

    First version of D53 that does something
    
    First working version

diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..6e94c75
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,40 @@
+---
+kind: pipeline
+name: default
+
+node:
+  nix-daemon: 1
+
+steps:
+  - name: check formatting
+    image: nixpkgs/nix:nixos-22.05
+    environment:
+      NIX_PATH: 'nixpkgs=channel:nixos-22.05'
+    commands:
+      - nix-shell -p cargo -p rustfmt --run 'cargo fmt -- --check'
+
+  - name: build
+    image: nixpkgs/nix:nixos-22.05
+    commands:
+      - nix build --extra-experimental-features nix-command --extra-experimental-features flakes .#debug.x86_64-linux.d53
+
+  - name: test
+    image: nixpkgs/nix:nixos-22.05
+    commands:
+      - nix build --extra-experimental-features nix-command --extra-experimental-features flakes .#test.x86_64-linux.d53
+      - ./result-bin/bin/d53-*
+
+trigger:
+  event:
+  - custom
+  - push
+  - pull_request
+  - tag
+  - cron
+
+
+---
+kind: signature
+hmac: 49cde53ec25364cc3b3f041092c8e658fe9252342253757d86814ca12d5cb0f7
+
+...
diff --git a/.gitignore b/.gitignore
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index 0000000..0573db0
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+result-bin
diff --git a/Cargo.lock b/Cargo.lock
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
+
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
diff --git a/Cargo.nix b/Cargo.nix
new file mode 100644
index 0000000..3997242
--- /dev/null
+++ b/Cargo.nix
@@ -0,0 +1,1754 @@
+# This file was @generated by cargo2nix 0.11.0.
+# It is not intended to be manually edited.
+
+args@{
+  release ? true,
+  rootFeatures ? [
+    "d53/default"
+  ],
+  rustPackages,
+  buildRustPackages,
+  hostPlatform,
+  hostPlatformCpu ? null,
+  hostPlatformFeatures ? [],
+  target ? null,
+  codegenOpts ? null,
+  profileOpts ? null,
+  rustcLinkFlags ? null,
+  rustcBuildFlags ? null,
+  mkRustCrate,
+  rustLib,
+  lib,
+  workspaceSrc,
+  ignoreLockHash,
+}:
+let
+  nixifiedLockHash = "ce1b5ea9212fc4f42bd5b6ee7a8f7be7921b956d0ec654ebdf4c3d86503114d6";
+  workspaceSrc = if args.workspaceSrc == null then ./. else args.workspaceSrc;
+  currentLockHash = builtins.hashFile "sha256" (workspaceSrc + /Cargo.lock);
+  lockHashIgnored = if ignoreLockHash
+                  then builtins.trace "Ignoring lock hash" ignoreLockHash
+                  else ignoreLockHash;
+in if !lockHashIgnored && (nixifiedLockHash != currentLockHash) then
+  throw ("Cargo.nix ${nixifiedLockHash} is out of sync with Cargo.lock ${currentLockHash}")
+else let
+  inherit (rustLib) fetchCratesIo fetchCrateLocal fetchCrateGit fetchCrateAlternativeRegistry expandFeatures decideProfile genDrvsByProfile;
+  profilesByName = {
+  };
+  rootFeatures' = expandFeatures rootFeatures;
+  overridableMkRustCrate = f:
+    let
+      drvs = genDrvsByProfile profilesByName ({ profile, profileName }: mkRustCrate ({ inherit release profile hostPlatformCpu hostPlatformFeatures target profileOpts codegenOpts rustcLinkFlags rustcBuildFlags; } // (f profileName)));
+    in { compileMode ? null, profileName ? decideProfile compileMode release }:
+      let drv = drvs.${profileName}; in if compileMode == null then drv else drv.override { inherit compileMode; };
+in
+{
+  cargo2nixVersion = "0.11.0";
+  workspace = {
+    d53 = rustPackages.unknown.d53."0.1.0";
+  };
+  "registry+https://github.com/rust-lang/crates.io-index".aho-corasick."0.7.20" = overridableMkRustCrate (profileName: rec {
+    name = "aho-corasick";
+    version = "0.7.20";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      memchr = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".memchr."2.5.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".ansi_term."0.12.1" = overridableMkRustCrate (profileName: rec {
+    name = "ansi_term";
+    version = "0.12.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"; };
+    dependencies = {
+      ${ if hostPlatform.parsed.kernel.name == "windows" then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".anyhow."1.0.66" = overridableMkRustCrate (profileName: rec {
+    name = "anyhow";
+    version = "1.0.66";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "216261ddc8289130e551ddcd5ce8a064710c0d064a4d2895c67151c92b5443f6"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".async-trait."0.1.59" = overridableMkRustCrate (profileName: rec {
+    name = "async-trait";
+    version = "0.1.59";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "31e6e93155431f3931513b243d371981bb2770112b370c82745a1d19d2f99364"; };
+    dependencies = {
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".atty."0.2.14" = overridableMkRustCrate (profileName: rec {
+    name = "atty";
+    version = "0.2.14";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"; };
+    dependencies = {
+      ${ if hostPlatform.parsed.kernel.name == "hermit" then "hermit_abi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hermit-abi."0.1.19" { inherit profileName; }).out;
+      ${ if hostPlatform.isUnix then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" { inherit profileName; }).out;
+      ${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" = overridableMkRustCrate (profileName: rec {
+    name = "autocfg";
+    version = "1.1.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".base64."0.13.1" = overridableMkRustCrate (profileName: rec {
+    name = "base64";
+    version = "0.13.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".bitflags."1.3.2" = overridableMkRustCrate (profileName: rec {
+    name = "bitflags";
+    version = "1.3.2";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"; };
+    features = builtins.concatLists [
+      [ "default" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".bumpalo."3.11.1" = overridableMkRustCrate (profileName: rec {
+    name = "bumpalo";
+    version = "3.11.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "572f695136211188308f16ad2ca5c851a712c464060ae6974944458eb83880ba"; };
+    features = builtins.concatLists [
+      [ "default" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" = overridableMkRustCrate (profileName: rec {
+    name = "bytes";
+    version = "1.3.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "dfb24e866b15a1af2a1b663f10c6b6b8f397a84aadb828f12e5b289ec23a3a3c"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".cc."1.0.77" = overridableMkRustCrate (profileName: rec {
+    name = "cc";
+    version = "1.0.77";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "e9f73505338f7d905b19d18738976aae232eb46b8efc15554ffc56deb5d9ebe4"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" = overridableMkRustCrate (profileName: rec {
+    name = "cfg-if";
+    version = "1.0.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".clap."2.34.0" = overridableMkRustCrate (profileName: rec {
+    name = "clap";
+    version = "2.34.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"; };
+    features = builtins.concatLists [
+      [ "ansi_term" ]
+      [ "atty" ]
+      [ "color" ]
+      [ "default" ]
+      [ "strsim" ]
+      [ "suggestions" ]
+      [ "vec_map" ]
+    ];
+    dependencies = {
+      ${ if !hostPlatform.isWindows then "ansi_term" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ansi_term."0.12.1" { inherit profileName; }).out;
+      atty = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".atty."0.2.14" { inherit profileName; }).out;
+      bitflags = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bitflags."1.3.2" { inherit profileName; }).out;
+      strsim = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".strsim."0.8.0" { inherit profileName; }).out;
+      textwrap = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".textwrap."0.11.0" { inherit profileName; }).out;
+      unicode_width = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".unicode-width."0.1.10" { inherit profileName; }).out;
+      vec_map = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".vec_map."0.8.2" { inherit profileName; }).out;
+    };
+  });
+  
+  "unknown".d53."0.1.0" = overridableMkRustCrate (profileName: rec {
+    name = "d53";
+    version = "0.1.0";
+    registry = "unknown";
+    src = fetchCrateLocal workspaceSrc;
+    dependencies = {
+      anyhow = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".anyhow."1.0.66" { inherit profileName; }).out;
+      async_trait = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".async-trait."0.1.59" { profileName = "__noProfile"; }).out;
+      df_consul = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".df-consul."0.1.0" { inherit profileName; }).out;
+      futures = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.25" { inherit profileName; }).out;
+      log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+      pretty_env_logger = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pretty_env_logger."0.4.0" { inherit profileName; }).out;
+      reqwest = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".reqwest."0.11.13" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.149" { inherit profileName; }).out;
+      structopt = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".structopt."0.3.26" { inherit profileName; }).out;
+      tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.23.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".df-consul."0.1.0" = overridableMkRustCrate (profileName: rec {
+    name = "df-consul";
+    version = "0.1.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "5ec5111d5daddfbab491780564dc8270c29c90553fab98d677489600a8623c76"; };
+    dependencies = {
+      anyhow = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".anyhow."1.0.66" { inherit profileName; }).out;
+      bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" { inherit profileName; }).out;
+      log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+      reqwest = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".reqwest."0.11.13" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.149" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".encoding_rs."0.8.31" = overridableMkRustCrate (profileName: rec {
+    name = "encoding_rs";
+    version = "0.8.31";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "9852635589dc9f9ea1b6fe9f05b50ef208c85c834a562f0c6abb1c475736ec2b"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "default" ]
+    ];
+    dependencies = {
+      cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".env_logger."0.7.1" = overridableMkRustCrate (profileName: rec {
+    name = "env_logger";
+    version = "0.7.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"; };
+    features = builtins.concatLists [
+      [ "atty" ]
+      [ "default" ]
+      [ "humantime" ]
+      [ "regex" ]
+      [ "termcolor" ]
+    ];
+    dependencies = {
+      atty = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".atty."0.2.14" { inherit profileName; }).out;
+      humantime = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".humantime."1.3.0" { inherit profileName; }).out;
+      log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+      regex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".regex."1.7.0" { inherit profileName; }).out;
+      termcolor = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".termcolor."1.1.3" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".fnv."1.0.7" = overridableMkRustCrate (profileName: rec {
+    name = "fnv";
+    version = "1.0.7";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".form_urlencoded."1.1.0" = overridableMkRustCrate (profileName: rec {
+    name = "form_urlencoded";
+    version = "1.1.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "a9c384f161156f5260c24a097c56119f9be8c798586aecc13afbcbe7b7e26bf8"; };
+    dependencies = {
+      percent_encoding = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".percent-encoding."2.2.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "38390104763dc37a5145a53c29c63c1290b5d316d6086ec32c293f6736051bb0"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "async-await" ]
+      [ "default" ]
+      [ "executor" ]
+      [ "futures-executor" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      futures_channel = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-channel."0.3.25" { inherit profileName; }).out;
+      futures_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" { inherit profileName; }).out;
+      futures_executor = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-executor."0.3.25" { inherit profileName; }).out;
+      futures_io = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-io."0.3.25" { inherit profileName; }).out;
+      futures_sink = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-sink."0.3.25" { inherit profileName; }).out;
+      futures_task = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-task."0.3.25" { inherit profileName; }).out;
+      futures_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.25" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures-channel."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures-channel";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "52ba265a92256105f45b719605a571ffe2d1f0fea3807304b522c1d778f79eed"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "default" ]
+      [ "futures-sink" ]
+      [ "sink" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      futures_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" { inherit profileName; }).out;
+      futures_sink = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-sink."0.3.25" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures-core";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "04909a7a7e4633ae6c4a9ab280aeb86da1236243a77b694a49eacd659a4bd3ac"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures-executor."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures-executor";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "7acc85df6714c176ab5edf386123fafe217be88c0840ec11f199441134a074e2"; };
+    features = builtins.concatLists [
+      [ "std" ]
+    ];
+    dependencies = {
+      futures_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" { inherit profileName; }).out;
+      futures_task = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-task."0.3.25" { inherit profileName; }).out;
+      futures_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.25" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures-io."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures-io";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "00f5fb52a06bdcadeb54e8d3671f8888a39697dcb0b81b23b55174030427f4eb"; };
+    features = builtins.concatLists [
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures-macro."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures-macro";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "bdfb8ce053d86b91919aad980c220b1fb8401a9394410e1c289ed7e66b61835d"; };
+    dependencies = {
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures-sink."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures-sink";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "39c15cf1a4aa79df40f1bb462fb39676d0ad9e366c2a33b590d7c66f4f81fcf9"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures-task."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures-task";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "2ffb393ac5d9a6eaa9d3fdf37ae2776656b706e200c8e16b1bdb227f5198e6ea"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.25" = overridableMkRustCrate (profileName: rec {
+    name = "futures-util";
+    version = "0.3.25";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "197676987abd2f9cadff84926f410af1c183608d36641465df73ae8211dc65d6"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "async-await" ]
+      [ "async-await-macro" ]
+      [ "channel" ]
+      [ "futures-channel" ]
+      [ "futures-io" ]
+      [ "futures-macro" ]
+      [ "futures-sink" ]
+      [ "io" ]
+      [ "memchr" ]
+      [ "sink" ]
+      [ "slab" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      futures_channel = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-channel."0.3.25" { inherit profileName; }).out;
+      futures_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" { inherit profileName; }).out;
+      futures_io = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-io."0.3.25" { inherit profileName; }).out;
+      futures_macro = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-macro."0.3.25" { profileName = "__noProfile"; }).out;
+      futures_sink = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-sink."0.3.25" { inherit profileName; }).out;
+      futures_task = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-task."0.3.25" { inherit profileName; }).out;
+      memchr = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".memchr."2.5.0" { inherit profileName; }).out;
+      pin_project_lite = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.9" { inherit profileName; }).out;
+      pin_utils = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-utils."0.1.0" { inherit profileName; }).out;
+      slab = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".slab."0.4.7" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".h2."0.3.15" = overridableMkRustCrate (profileName: rec {
+    name = "h2";
+    version = "0.3.15";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "5f9f29bc9dda355256b2916cf526ab02ce0aeaaaf2bad60d65ef3f12f11dd0f4"; };
+    dependencies = {
+      bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" { inherit profileName; }).out;
+      fnv = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".fnv."1.0.7" { inherit profileName; }).out;
+      futures_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" { inherit profileName; }).out;
+      futures_sink = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-sink."0.3.25" { inherit profileName; }).out;
+      futures_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.25" { inherit profileName; }).out;
+      http = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.8" { inherit profileName; }).out;
+      indexmap = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".indexmap."1.9.2" { inherit profileName; }).out;
+      slab = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".slab."0.4.7" { inherit profileName; }).out;
+      tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.23.0" { inherit profileName; }).out;
+      tokio_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-util."0.7.4" { inherit profileName; }).out;
+      tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.37" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".hashbrown."0.12.3" = overridableMkRustCrate (profileName: rec {
+    name = "hashbrown";
+    version = "0.12.3";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"; };
+    features = builtins.concatLists [
+      [ "raw" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".heck."0.3.3" = overridableMkRustCrate (profileName: rec {
+    name = "heck";
+    version = "0.3.3";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"; };
+    dependencies = {
+      unicode_segmentation = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".unicode-segmentation."1.10.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".hermit-abi."0.1.19" = overridableMkRustCrate (profileName: rec {
+    name = "hermit-abi";
+    version = "0.1.19";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"; };
+    features = builtins.concatLists [
+      [ "default" ]
+    ];
+    dependencies = {
+      libc = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".http."0.2.8" = overridableMkRustCrate (profileName: rec {
+    name = "http";
+    version = "0.2.8";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "75f43d41e26995c17e71ee126451dd3941010b0514a81a9d11f3b341debc2399"; };
+    dependencies = {
+      bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" { inherit profileName; }).out;
+      fnv = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".fnv."1.0.7" { inherit profileName; }).out;
+      itoa = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".itoa."1.0.4" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".http-body."0.4.5" = overridableMkRustCrate (profileName: rec {
+    name = "http-body";
+    version = "0.4.5";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"; };
+    dependencies = {
+      bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" { inherit profileName; }).out;
+      http = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.8" { inherit profileName; }).out;
+      pin_project_lite = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.9" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".httparse."1.8.0" = overridableMkRustCrate (profileName: rec {
+    name = "httparse";
+    version = "1.8.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".httpdate."1.0.2" = overridableMkRustCrate (profileName: rec {
+    name = "httpdate";
+    version = "1.0.2";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".humantime."1.3.0" = overridableMkRustCrate (profileName: rec {
+    name = "humantime";
+    version = "1.3.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"; };
+    dependencies = {
+      quick_error = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quick-error."1.2.3" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".hyper."0.14.23" = overridableMkRustCrate (profileName: rec {
+    name = "hyper";
+    version = "0.14.23";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "034711faac9d2166cb1baf1a2fb0b60b1f277f8492fd72176c17f3515e1abd3c"; };
+    features = builtins.concatLists [
+      [ "client" ]
+      [ "h2" ]
+      [ "http1" ]
+      [ "http2" ]
+      [ "runtime" ]
+      [ "socket2" ]
+      [ "tcp" ]
+    ];
+    dependencies = {
+      bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" { inherit profileName; }).out;
+      futures_channel = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-channel."0.3.25" { inherit profileName; }).out;
+      futures_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" { inherit profileName; }).out;
+      futures_util = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.25" { inherit profileName; }).out;
+      h2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".h2."0.3.15" { inherit profileName; }).out;
+      http = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.8" { inherit profileName; }).out;
+      http_body = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http-body."0.4.5" { inherit profileName; }).out;
+      httparse = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".httparse."1.8.0" { inherit profileName; }).out;
+      httpdate = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".httpdate."1.0.2" { inherit profileName; }).out;
+      itoa = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".itoa."1.0.4" { inherit profileName; }).out;
+      pin_project_lite = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.9" { inherit profileName; }).out;
+      socket2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".socket2."0.4.7" { inherit profileName; }).out;
+      tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.23.0" { inherit profileName; }).out;
+      tower_service = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tower-service."0.3.2" { inherit profileName; }).out;
+      tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.37" { inherit profileName; }).out;
+      want = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".want."0.3.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".hyper-rustls."0.23.1" = overridableMkRustCrate (profileName: rec {
+    name = "hyper-rustls";
+    version = "0.23.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "59df7c4e19c950e6e0e868dcc0a300b09a9b88e9ec55bd879ca819087a77355d"; };
+    dependencies = {
+      http = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.8" { inherit profileName; }).out;
+      hyper = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."0.14.23" { inherit profileName; }).out;
+      rustls = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rustls."0.20.7" { inherit profileName; }).out;
+      tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.23.0" { inherit profileName; }).out;
+      tokio_rustls = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-rustls."0.23.4" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".idna."0.3.0" = overridableMkRustCrate (profileName: rec {
+    name = "idna";
+    version = "0.3.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "e14ddfc70884202db2244c223200c204c2bda1bc6e0998d11b5e024d657209e6"; };
+    dependencies = {
+      unicode_bidi = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".unicode-bidi."0.3.8" { inherit profileName; }).out;
+      unicode_normalization = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".unicode-normalization."0.1.22" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".indexmap."1.9.2" = overridableMkRustCrate (profileName: rec {
+    name = "indexmap";
+    version = "1.9.2";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"; };
+    features = builtins.concatLists [
+      [ "std" ]
+    ];
+    dependencies = {
+      hashbrown = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hashbrown."0.12.3" { inherit profileName; }).out;
+    };
+    buildDependencies = {
+      autocfg = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".ipnet."2.5.1" = overridableMkRustCrate (profileName: rec {
+    name = "ipnet";
+    version = "2.5.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "f88c5561171189e69df9d98bcf18fd5f9558300f7ea7b801eb8a0fd748bd8745"; };
+    features = builtins.concatLists [
+      [ "default" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".itoa."1.0.4" = overridableMkRustCrate (profileName: rec {
+    name = "itoa";
+    version = "1.0.4";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".js-sys."0.3.60" = overridableMkRustCrate (profileName: rec {
+    name = "js-sys";
+    version = "0.3.60";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "49409df3e3bf0856b916e2ceaca09ee28e6871cf7d9ce97a692cacfdb2a25a47"; };
+    dependencies = {
+      wasm_bindgen = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen."0.2.83" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" = overridableMkRustCrate (profileName: rec {
+    name = "lazy_static";
+    version = "1.4.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" = overridableMkRustCrate (profileName: rec {
+    name = "libc";
+    version = "0.2.138";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "db6d7e329c562c5dfab7a46a2afabc8b987ab9a4834c9d1ca04dc54c1546cef8"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" = overridableMkRustCrate (profileName: rec {
+    name = "log";
+    version = "0.4.17";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"; };
+    features = builtins.concatLists [
+      [ "std" ]
+    ];
+    dependencies = {
+      cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".memchr."2.5.0" = overridableMkRustCrate (profileName: rec {
+    name = "memchr";
+    version = "2.5.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".mime."0.3.16" = overridableMkRustCrate (profileName: rec {
+    name = "mime";
+    version = "0.3.16";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".mio."0.8.5" = overridableMkRustCrate (profileName: rec {
+    name = "mio";
+    version = "0.8.5";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "e5d732bc30207a6423068df043e3d02e0735b155ad7ce1a6f76fe2baa5b158de"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "net" ]
+      [ "os-ext" ]
+      [ "os-poll" ]
+    ];
+    dependencies = {
+      ${ if hostPlatform.isUnix || hostPlatform.parsed.kernel.name == "wasi" then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" { inherit profileName; }).out;
+      log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.kernel.name == "wasi" then "wasi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasi."0.11.0+wasi-snapshot-preview1" { inherit profileName; }).out;
+      ${ if hostPlatform.isWindows then "windows_sys" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows-sys."0.42.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".num_cpus."1.14.0" = overridableMkRustCrate (profileName: rec {
+    name = "num_cpus";
+    version = "1.14.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "f6058e64324c71e02bc2b150e4f3bc8286db6c83092132ffa3f6b1eab0f9def5"; };
+    dependencies = {
+      ${ if (hostPlatform.parsed.cpu.name == "x86_64" || hostPlatform.parsed.cpu.name == "aarch64") && hostPlatform.parsed.kernel.name == "hermit" then "hermit_abi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hermit-abi."0.1.19" { inherit profileName; }).out;
+      ${ if !hostPlatform.isWindows then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".once_cell."1.16.0" = overridableMkRustCrate (profileName: rec {
+    name = "once_cell";
+    version = "1.16.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "default" ]
+      [ "race" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".percent-encoding."2.2.0" = overridableMkRustCrate (profileName: rec {
+    name = "percent-encoding";
+    version = "2.2.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "default" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.9" = overridableMkRustCrate (profileName: rec {
+    name = "pin-project-lite";
+    version = "0.2.9";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".pin-utils."0.1.0" = overridableMkRustCrate (profileName: rec {
+    name = "pin-utils";
+    version = "0.1.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".pretty_env_logger."0.4.0" = overridableMkRustCrate (profileName: rec {
+    name = "pretty_env_logger";
+    version = "0.4.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "926d36b9553851b8b0005f1275891b392ee4d2d833852c417ed025477350fb9d"; };
+    dependencies = {
+      env_logger = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".env_logger."0.7.1" { inherit profileName; }).out;
+      log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".proc-macro-error."1.0.4" = overridableMkRustCrate (profileName: rec {
+    name = "proc-macro-error";
+    version = "1.0.4";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "syn" ]
+      [ "syn-error" ]
+    ];
+    dependencies = {
+      proc_macro_error_attr = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro-error-attr."1.0.4" { profileName = "__noProfile"; }).out;
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" { inherit profileName; }).out;
+    };
+    buildDependencies = {
+      version_check = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".version_check."0.9.4" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".proc-macro-error-attr."1.0.4" = overridableMkRustCrate (profileName: rec {
+    name = "proc-macro-error-attr";
+    version = "1.0.4";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"; };
+    dependencies = {
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+    };
+    buildDependencies = {
+      version_check = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".version_check."0.9.4" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" = overridableMkRustCrate (profileName: rec {
+    name = "proc-macro2";
+    version = "1.0.47";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "proc-macro" ]
+    ];
+    dependencies = {
+      unicode_ident = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".unicode-ident."1.0.5" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".quick-error."1.2.3" = overridableMkRustCrate (profileName: rec {
+    name = "quick-error";
+    version = "1.2.3";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" = overridableMkRustCrate (profileName: rec {
+    name = "quote";
+    version = "1.0.21";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "proc-macro" ]
+    ];
+    dependencies = {
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".regex."1.7.0" = overridableMkRustCrate (profileName: rec {
+    name = "regex";
+    version = "1.7.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a"; };
+    features = builtins.concatLists [
+      [ "aho-corasick" ]
+      [ "default" ]
+      [ "memchr" ]
+      [ "perf" ]
+      [ "perf-cache" ]
+      [ "perf-dfa" ]
+      [ "perf-inline" ]
+      [ "perf-literal" ]
+      [ "std" ]
+      [ "unicode" ]
+      [ "unicode-age" ]
+      [ "unicode-bool" ]
+      [ "unicode-case" ]
+      [ "unicode-gencat" ]
+      [ "unicode-perl" ]
+      [ "unicode-script" ]
+      [ "unicode-segment" ]
+    ];
+    dependencies = {
+      aho_corasick = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".aho-corasick."0.7.20" { inherit profileName; }).out;
+      memchr = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".memchr."2.5.0" { inherit profileName; }).out;
+      regex_syntax = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".regex-syntax."0.6.28" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".regex-syntax."0.6.28" = overridableMkRustCrate (profileName: rec {
+    name = "regex-syntax";
+    version = "0.6.28";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "unicode" ]
+      [ "unicode-age" ]
+      [ "unicode-bool" ]
+      [ "unicode-case" ]
+      [ "unicode-gencat" ]
+      [ "unicode-perl" ]
+      [ "unicode-script" ]
+      [ "unicode-segment" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".reqwest."0.11.13" = overridableMkRustCrate (profileName: rec {
+    name = "reqwest";
+    version = "0.11.13";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "68cc60575865c7831548863cc02356512e3f1dc2f3f82cb837d7fc4cc8f3c97c"; };
+    features = builtins.concatLists [
+      [ "__rustls" ]
+      [ "__tls" ]
+      [ "hyper-rustls" ]
+      [ "json" ]
+      [ "rustls" ]
+      [ "rustls-pemfile" ]
+      [ "rustls-tls-manual-roots" ]
+      [ "rustls-tls-webpki-roots" ]
+      [ "serde_json" ]
+      [ "tokio-rustls" ]
+      [ "webpki-roots" ]
+    ];
+    dependencies = {
+      base64 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".base64."0.13.1" { inherit profileName; }).out;
+      bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "encoding_rs" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".encoding_rs."0.8.31" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "futures_core" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "futures_util" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-util."0.3.25" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "h2" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".h2."0.3.15" { inherit profileName; }).out;
+      http = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.8" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "http_body" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http-body."0.4.5" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "hyper" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."0.14.23" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "hyper_rustls" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper-rustls."0.23.1" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "ipnet" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ipnet."2.5.1" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.cpu.name == "wasm32" then "js_sys" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".js-sys."0.3.60" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "log" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "mime" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".mime."0.3.16" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "once_cell" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".once_cell."1.16.0" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "percent_encoding" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".percent-encoding."2.2.0" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "pin_project_lite" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.9" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "rustls" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rustls."0.20.7" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "rustls_pemfile" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rustls-pemfile."1.0.1" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.149" { inherit profileName; }).out;
+      serde_json = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.89" { inherit profileName; }).out;
+      serde_urlencoded = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_urlencoded."0.7.1" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "tokio" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.23.0" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "tokio_rustls" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-rustls."0.23.4" { inherit profileName; }).out;
+      tower_service = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tower-service."0.3.2" { inherit profileName; }).out;
+      url = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".url."2.3.1" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.cpu.name == "wasm32" then "wasm_bindgen" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen."0.2.83" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.cpu.name == "wasm32" then "wasm_bindgen_futures" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-futures."0.4.33" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.cpu.name == "wasm32" then "web_sys" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".web-sys."0.3.60" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32") then "webpki_roots" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".webpki-roots."0.22.5" { inherit profileName; }).out;
+      ${ if hostPlatform.isWindows then "winreg" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winreg."0.10.1" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".ring."0.16.20" = overridableMkRustCrate (profileName: rec {
+    name = "ring";
+    version = "0.16.20";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "default" ]
+      [ "dev_urandom_fallback" ]
+      [ "once_cell" ]
+    ];
+    dependencies = {
+      ${ if hostPlatform.parsed.kernel.name == "android" || hostPlatform.parsed.kernel.name == "linux" then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.kernel.name == "android" || hostPlatform.parsed.kernel.name == "linux" || hostPlatform.parsed.kernel.name == "dragonfly" || hostPlatform.parsed.kernel.name == "freebsd" || hostPlatform.parsed.kernel.name == "illumos" || hostPlatform.parsed.kernel.name == "netbsd" || hostPlatform.parsed.kernel.name == "openbsd" || hostPlatform.parsed.kernel.name == "solaris" then "once_cell" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".once_cell."1.16.0" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.cpu.name == "i686" || hostPlatform.parsed.cpu.name == "x86_64" || (hostPlatform.parsed.cpu.name == "aarch64" || hostPlatform.parsed.cpu.name == "armv6l" || hostPlatform.parsed.cpu.name == "armv7l") && (hostPlatform.parsed.kernel.name == "android" || hostPlatform.parsed.kernel.name == "fuchsia" || hostPlatform.parsed.kernel.name == "linux") then "spin" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".spin."0.5.2" { inherit profileName; }).out;
+      untrusted = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".untrusted."0.7.1" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.cpu.name == "wasm32" && hostPlatform.parsed.vendor.name == "unknown" && hostPlatform.parsed.kernel.name == "unknown" && hostPlatform.parsed.abi.name == "" then "web_sys" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".web-sys."0.3.60" { inherit profileName; }).out;
+      ${ if hostPlatform.parsed.kernel.name == "windows" then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
+    };
+    buildDependencies = {
+      cc = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".cc."1.0.77" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".rustls."0.20.7" = overridableMkRustCrate (profileName: rec {
+    name = "rustls";
+    version = "0.20.7";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "539a2bfe908f471bfa933876bd1eb6a19cf2176d375f82ef7f99530a40e48c2c"; };
+    features = builtins.concatLists [
+      [ "dangerous_configuration" ]
+      [ "default" ]
+      [ "log" ]
+      [ "logging" ]
+      [ "tls12" ]
+    ];
+    dependencies = {
+      log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+      ring = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ring."0.16.20" { inherit profileName; }).out;
+      sct = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".sct."0.7.0" { inherit profileName; }).out;
+      webpki = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".webpki."0.22.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".rustls-pemfile."1.0.1" = overridableMkRustCrate (profileName: rec {
+    name = "rustls-pemfile";
+    version = "1.0.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "0864aeff53f8c05aa08d86e5ef839d3dfcf07aeba2db32f12db0ef716e87bd55"; };
+    dependencies = {
+      base64 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".base64."0.13.1" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".ryu."1.0.11" = overridableMkRustCrate (profileName: rec {
+    name = "ryu";
+    version = "1.0.11";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".sct."0.7.0" = overridableMkRustCrate (profileName: rec {
+    name = "sct";
+    version = "0.7.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"; };
+    dependencies = {
+      ring = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ring."0.16.20" { inherit profileName; }).out;
+      untrusted = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".untrusted."0.7.1" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".serde."1.0.149" = overridableMkRustCrate (profileName: rec {
+    name = "serde";
+    version = "1.0.149";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "256b9932320c590e707b94576e3cc1f7c9024d0ee6612dfbcf1cb106cbe8e055"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "derive" ]
+      [ "serde_derive" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      serde_derive = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_derive."1.0.149" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".serde_derive."1.0.149" = overridableMkRustCrate (profileName: rec {
+    name = "serde_derive";
+    version = "1.0.149";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "b4eae9b04cbffdfd550eb462ed33bc6a1b68c935127d008b27444d08380f94e4"; };
+    features = builtins.concatLists [
+      [ "default" ]
+    ];
+    dependencies = {
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.89" = overridableMkRustCrate (profileName: rec {
+    name = "serde_json";
+    version = "1.0.89";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "020ff22c755c2ed3f8cf162dbb41a7268d934702f3ed3631656ea597e08fc3db"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      itoa = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".itoa."1.0.4" { inherit profileName; }).out;
+      ryu = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ryu."1.0.11" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.149" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".serde_urlencoded."0.7.1" = overridableMkRustCrate (profileName: rec {
+    name = "serde_urlencoded";
+    version = "0.7.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"; };
+    dependencies = {
+      form_urlencoded = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".form_urlencoded."1.1.0" { inherit profileName; }).out;
+      itoa = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".itoa."1.0.4" { inherit profileName; }).out;
+      ryu = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ryu."1.0.11" { inherit profileName; }).out;
+      serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.149" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".signal-hook-registry."1.4.0" = overridableMkRustCrate (profileName: rec {
+    name = "signal-hook-registry";
+    version = "1.4.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0"; };
+    dependencies = {
+      libc = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".slab."0.4.7" = overridableMkRustCrate (profileName: rec {
+    name = "slab";
+    version = "0.4.7";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+    buildDependencies = {
+      autocfg = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".socket2."0.4.7" = overridableMkRustCrate (profileName: rec {
+    name = "socket2";
+    version = "0.4.7";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "02e2d2db9033d13a1567121ddd7a095ee144db4e1ca1b1bda3419bc0da294ebd"; };
+    features = builtins.concatLists [
+      [ "all" ]
+    ];
+    dependencies = {
+      ${ if hostPlatform.isUnix then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" { inherit profileName; }).out;
+      ${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".spin."0.5.2" = overridableMkRustCrate (profileName: rec {
+    name = "spin";
+    version = "0.5.2";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".strsim."0.8.0" = overridableMkRustCrate (profileName: rec {
+    name = "strsim";
+    version = "0.8.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".structopt."0.3.26" = overridableMkRustCrate (profileName: rec {
+    name = "structopt";
+    version = "0.3.26";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "0c6b5c64445ba8094a6ab0c3cd2ad323e07171012d9c98b0b15651daf1787a10"; };
+    features = builtins.concatLists [
+      [ "default" ]
+    ];
+    dependencies = {
+      clap = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".clap."2.34.0" { inherit profileName; }).out;
+      lazy_static = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" { inherit profileName; }).out;
+      structopt_derive = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".structopt-derive."0.4.18" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".structopt-derive."0.4.18" = overridableMkRustCrate (profileName: rec {
+    name = "structopt-derive";
+    version = "0.4.18";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "dcb5ae327f9cc13b68763b5749770cb9e048a99bd9dfdfa58d0cf05d5f64afe0"; };
+    dependencies = {
+      heck = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".heck."0.3.3" { inherit profileName; }).out;
+      proc_macro_error = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro-error."1.0.4" { inherit profileName; }).out;
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" = overridableMkRustCrate (profileName: rec {
+    name = "syn";
+    version = "1.0.105";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "60b9b43d45702de4c839cb9b51d9f529c5dd26a4aff255b42b1ebc03e88ee908"; };
+    features = builtins.concatLists [
+      [ "clone-impls" ]
+      [ "default" ]
+      [ "derive" ]
+      [ "full" ]
+      [ "parsing" ]
+      [ "printing" ]
+      [ "proc-macro" ]
+      [ "quote" ]
+      [ "visit" ]
+      [ "visit-mut" ]
+    ];
+    dependencies = {
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      unicode_ident = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".unicode-ident."1.0.5" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".termcolor."1.1.3" = overridableMkRustCrate (profileName: rec {
+    name = "termcolor";
+    version = "1.1.3";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"; };
+    dependencies = {
+      ${ if hostPlatform.isWindows then "winapi_util" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi-util."0.1.5" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".textwrap."0.11.0" = overridableMkRustCrate (profileName: rec {
+    name = "textwrap";
+    version = "0.11.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"; };
+    dependencies = {
+      unicode_width = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".unicode-width."0.1.10" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tinyvec."1.6.0" = overridableMkRustCrate (profileName: rec {
+    name = "tinyvec";
+    version = "1.6.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "default" ]
+      [ "tinyvec_macros" ]
+    ];
+    dependencies = {
+      tinyvec_macros = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tinyvec_macros."0.1.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tinyvec_macros."0.1.0" = overridableMkRustCrate (profileName: rec {
+    name = "tinyvec_macros";
+    version = "0.1.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tokio."1.23.0" = overridableMkRustCrate (profileName: rec {
+    name = "tokio";
+    version = "1.23.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "eab6d665857cc6ca78d6e80303a02cea7a7851e85dfbd77cbdc09bd129f1ef46"; };
+    features = builtins.concatLists [
+      [ "bytes" ]
+      [ "default" ]
+      [ "fs" ]
+      [ "io-util" ]
+      [ "libc" ]
+      [ "macros" ]
+      [ "memchr" ]
+      [ "mio" ]
+      [ "net" ]
+      [ "num_cpus" ]
+      [ "rt" ]
+      [ "rt-multi-thread" ]
+      [ "signal" ]
+      [ "signal-hook-registry" ]
+      [ "socket2" ]
+      [ "sync" ]
+      [ "time" ]
+      [ "tokio-macros" ]
+      [ "windows-sys" ]
+    ];
+    dependencies = {
+      bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" { inherit profileName; }).out;
+      ${ if hostPlatform.isUnix then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.138" { inherit profileName; }).out;
+      memchr = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".memchr."2.5.0" { inherit profileName; }).out;
+      mio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".mio."0.8.5" { inherit profileName; }).out;
+      num_cpus = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".num_cpus."1.14.0" { inherit profileName; }).out;
+      pin_project_lite = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.9" { inherit profileName; }).out;
+      ${ if hostPlatform.isUnix then "signal_hook_registry" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".signal-hook-registry."1.4.0" { inherit profileName; }).out;
+      ${ if !(hostPlatform.parsed.cpu.name == "wasm32" || hostPlatform.parsed.cpu.name == "wasm64") then "socket2" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".socket2."0.4.7" { inherit profileName; }).out;
+      tokio_macros = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-macros."1.8.2" { profileName = "__noProfile"; }).out;
+      ${ if hostPlatform.isWindows then "windows_sys" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows-sys."0.42.0" { inherit profileName; }).out;
+    };
+    buildDependencies = {
+      autocfg = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tokio-macros."1.8.2" = overridableMkRustCrate (profileName: rec {
+    name = "tokio-macros";
+    version = "1.8.2";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "d266c00fde287f55d3f1c3e96c500c362a2b8c695076ec180f27918820bc6df8"; };
+    dependencies = {
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tokio-rustls."0.23.4" = overridableMkRustCrate (profileName: rec {
+    name = "tokio-rustls";
+    version = "0.23.4";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "logging" ]
+      [ "tls12" ]
+    ];
+    dependencies = {
+      rustls = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rustls."0.20.7" { inherit profileName; }).out;
+      tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.23.0" { inherit profileName; }).out;
+      webpki = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".webpki."0.22.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tokio-util."0.7.4" = overridableMkRustCrate (profileName: rec {
+    name = "tokio-util";
+    version = "0.7.4";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "0bb2e075f03b3d66d8d8785356224ba688d2906a371015e225beeb65ca92c740"; };
+    features = builtins.concatLists [
+      [ "codec" ]
+      [ "default" ]
+      [ "tracing" ]
+    ];
+    dependencies = {
+      bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytes."1.3.0" { inherit profileName; }).out;
+      futures_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-core."0.3.25" { inherit profileName; }).out;
+      futures_sink = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures-sink."0.3.25" { inherit profileName; }).out;
+      pin_project_lite = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.9" { inherit profileName; }).out;
+      tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.23.0" { inherit profileName; }).out;
+      tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.37" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tower-service."0.3.2" = overridableMkRustCrate (profileName: rec {
+    name = "tower-service";
+    version = "0.3.2";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.37" = overridableMkRustCrate (profileName: rec {
+    name = "tracing";
+    version = "0.1.37";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"; };
+    features = builtins.concatLists [
+      [ "std" ]
+    ];
+    dependencies = {
+      cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
+      pin_project_lite = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pin-project-lite."0.2.9" { inherit profileName; }).out;
+      tracing_core = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing-core."0.1.30" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".tracing-core."0.1.30" = overridableMkRustCrate (profileName: rec {
+    name = "tracing-core";
+    version = "0.1.30";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"; };
+    features = builtins.concatLists [
+      [ "once_cell" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      once_cell = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".once_cell."1.16.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".try-lock."0.2.3" = overridableMkRustCrate (profileName: rec {
+    name = "try-lock";
+    version = "0.2.3";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".unicode-bidi."0.3.8" = overridableMkRustCrate (profileName: rec {
+    name = "unicode-bidi";
+    version = "0.3.8";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "hardcoded-data" ]
+      [ "std" ]
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+  "registry+https://github.com/rust-lang/crates.io-index".unicode-ident."1.0.5" = overridableMkRustCrate (profileName: rec {
+    name = "unicode-ident";
+    version = "1.0.5";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".unicode-normalization."0.1.22" = overridableMkRustCrate (profileName: rec {
+    name = "unicode-normalization";
+    version = "0.1.22";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      tinyvec = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tinyvec."1.6.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".unicode-segmentation."1.10.0" = overridableMkRustCrate (profileName: rec {
+    name = "unicode-segmentation";
+    version = "1.10.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "0fdbf052a0783de01e944a6ce7a8cb939e295b1e7be835a1112c3b9a7f047a5a"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".unicode-width."0.1.10" = overridableMkRustCrate (profileName: rec {
+    name = "unicode-width";
+    version = "0.1.10";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"; };
+    features = builtins.concatLists [
+      [ "default" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".untrusted."0.7.1" = overridableMkRustCrate (profileName: rec {
+    name = "untrusted";
+    version = "0.7.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".url."2.3.1" = overridableMkRustCrate (profileName: rec {
+    name = "url";
+    version = "2.3.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643"; };
+    features = builtins.concatLists [
+      [ "default" ]
+    ];
+    dependencies = {
+      form_urlencoded = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".form_urlencoded."1.1.0" { inherit profileName; }).out;
+      idna = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".idna."0.3.0" { inherit profileName; }).out;
+      percent_encoding = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".percent-encoding."2.2.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".vec_map."0.8.2" = overridableMkRustCrate (profileName: rec {
+    name = "vec_map";
+    version = "0.8.2";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".version_check."0.9.4" = overridableMkRustCrate (profileName: rec {
+    name = "version_check";
+    version = "0.9.4";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".want."0.3.0" = overridableMkRustCrate (profileName: rec {
+    name = "want";
+    version = "0.3.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"; };
+    dependencies = {
+      log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+      try_lock = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".try-lock."0.2.3" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".wasi."0.11.0+wasi-snapshot-preview1" = overridableMkRustCrate (profileName: rec {
+    name = "wasi";
+    version = "0.11.0+wasi-snapshot-preview1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "std" ]
+    ];
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen."0.2.83" = overridableMkRustCrate (profileName: rec {
+    name = "wasm-bindgen";
+    version = "0.2.83";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268"; };
+    features = builtins.concatLists [
+      [ "default" ]
+      [ "spans" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
+      wasm_bindgen_macro = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-macro."0.2.83" { profileName = "__noProfile"; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-backend."0.2.83" = overridableMkRustCrate (profileName: rec {
+    name = "wasm-bindgen-backend";
+    version = "0.2.83";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142"; };
+    features = builtins.concatLists [
+      [ "spans" ]
+    ];
+    dependencies = {
+      bumpalo = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bumpalo."3.11.1" { inherit profileName; }).out;
+      log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
+      once_cell = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".once_cell."1.16.0" { inherit profileName; }).out;
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" { inherit profileName; }).out;
+      wasm_bindgen_shared = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-shared."0.2.83" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-futures."0.4.33" = overridableMkRustCrate (profileName: rec {
+    name = "wasm-bindgen-futures";
+    version = "0.4.33";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "23639446165ca5a5de86ae1d8896b737ae80319560fbaa4c2887b7da6e7ebd7d"; };
+    dependencies = {
+      cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
+      js_sys = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".js-sys."0.3.60" { inherit profileName; }).out;
+      wasm_bindgen = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen."0.2.83" { inherit profileName; }).out;
+      ${ if builtins.elem "atomics" hostPlatformFeatures then "web_sys" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".web-sys."0.3.60" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-macro."0.2.83" = overridableMkRustCrate (profileName: rec {
+    name = "wasm-bindgen-macro";
+    version = "0.2.83";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "052be0f94026e6cbc75cdefc9bae13fd6052cdcaf532fa6c45e7ae33a1e6c810"; };
+    features = builtins.concatLists [
+      [ "spans" ]
+    ];
+    dependencies = {
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      wasm_bindgen_macro_support = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-macro-support."0.2.83" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-macro-support."0.2.83" = overridableMkRustCrate (profileName: rec {
+    name = "wasm-bindgen-macro-support";
+    version = "0.2.83";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c"; };
+    features = builtins.concatLists [
+      [ "spans" ]
+    ];
+    dependencies = {
+      proc_macro2 = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".proc-macro2."1.0.47" { inherit profileName; }).out;
+      quote = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".quote."1.0.21" { inherit profileName; }).out;
+      syn = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syn."1.0.105" { inherit profileName; }).out;
+      wasm_bindgen_backend = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-backend."0.2.83" { inherit profileName; }).out;
+      wasm_bindgen_shared = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-shared."0.2.83" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen-shared."0.2.83" = overridableMkRustCrate (profileName: rec {
+    name = "wasm-bindgen-shared";
+    version = "0.2.83";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".web-sys."0.3.60" = overridableMkRustCrate (profileName: rec {
+    name = "web-sys";
+    version = "0.3.60";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "bcda906d8be16e728fd5adc5b729afad4e444e106ab28cd1c7256e54fa61510f"; };
+    features = builtins.concatLists [
+      [ "Blob" ]
+      [ "BlobPropertyBag" ]
+      [ "Crypto" ]
+      [ "Event" ]
+      [ "EventTarget" ]
+      [ "File" ]
+      [ "FormData" ]
+      [ "Headers" ]
+      [ "MessageEvent" ]
+      [ "Request" ]
+      [ "RequestCredentials" ]
+      [ "RequestInit" ]
+      [ "RequestMode" ]
+      [ "Response" ]
+      [ "ServiceWorkerGlobalScope" ]
+      [ "Window" ]
+      [ "Worker" ]
+      [ "WorkerGlobalScope" ]
+    ];
+    dependencies = {
+      js_sys = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".js-sys."0.3.60" { inherit profileName; }).out;
+      wasm_bindgen = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".wasm-bindgen."0.2.83" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".webpki."0.22.0" = overridableMkRustCrate (profileName: rec {
+    name = "webpki";
+    version = "0.22.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"; };
+    features = builtins.concatLists [
+      [ "alloc" ]
+      [ "std" ]
+    ];
+    dependencies = {
+      ring = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".ring."0.16.20" { inherit profileName; }).out;
+      untrusted = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".untrusted."0.7.1" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".webpki-roots."0.22.5" = overridableMkRustCrate (profileName: rec {
+    name = "webpki-roots";
+    version = "0.22.5";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "368bfe657969fb01238bb756d351dcade285e0f6fcbd36dcb23359a5169975be"; };
+    dependencies = {
+      webpki = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".webpki."0.22.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" = overridableMkRustCrate (profileName: rec {
+    name = "winapi";
+    version = "0.3.9";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"; };
+    features = builtins.concatLists [
+      [ "consoleapi" ]
+      [ "errhandlingapi" ]
+      [ "fileapi" ]
+      [ "handleapi" ]
+      [ "impl-debug" ]
+      [ "impl-default" ]
+      [ "minwinbase" ]
+      [ "minwindef" ]
+      [ "ntsecapi" ]
+      [ "processenv" ]
+      [ "std" ]
+      [ "timezoneapi" ]
+      [ "winbase" ]
+      [ "wincon" ]
+      [ "winerror" ]
+      [ "winnt" ]
+      [ "winreg" ]
+      [ "ws2ipdef" ]
+      [ "ws2tcpip" ]
+      [ "wtypesbase" ]
+    ];
+    dependencies = {
+      ${ if hostPlatform.config == "i686-pc-windows-gnu" then "winapi_i686_pc_windows_gnu" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi-i686-pc-windows-gnu."0.4.0" { inherit profileName; }).out;
+      ${ if hostPlatform.config == "x86_64-pc-windows-gnu" then "winapi_x86_64_pc_windows_gnu" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi-x86_64-pc-windows-gnu."0.4.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".winapi-i686-pc-windows-gnu."0.4.0" = overridableMkRustCrate (profileName: rec {
+    name = "winapi-i686-pc-windows-gnu";
+    version = "0.4.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".winapi-util."0.1.5" = overridableMkRustCrate (profileName: rec {
+    name = "winapi-util";
+    version = "0.1.5";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"; };
+    dependencies = {
+      ${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".winapi-x86_64-pc-windows-gnu."0.4.0" = overridableMkRustCrate (profileName: rec {
+    name = "winapi-x86_64-pc-windows-gnu";
+    version = "0.4.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".windows-sys."0.42.0" = overridableMkRustCrate (profileName: rec {
+    name = "windows-sys";
+    version = "0.42.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"; };
+    features = builtins.concatLists [
+      [ "Win32" ]
+      [ "Win32_Foundation" ]
+      [ "Win32_Networking" ]
+      [ "Win32_Networking_WinSock" ]
+      [ "Win32_Security" ]
+      [ "Win32_Security_Authorization" ]
+      [ "Win32_Storage" ]
+      [ "Win32_Storage_FileSystem" ]
+      [ "Win32_System" ]
+      [ "Win32_System_Console" ]
+      [ "Win32_System_IO" ]
+      [ "Win32_System_Pipes" ]
+      [ "Win32_System_SystemServices" ]
+      [ "Win32_System_WindowsProgramming" ]
+      [ "default" ]
+    ];
+    dependencies = {
+      ${ if hostPlatform.config == "aarch64-pc-windows-gnullvm" then "windows_aarch64_gnullvm" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows_aarch64_gnullvm."0.42.0" { inherit profileName; }).out;
+      ${ if hostPlatform.config == "aarch64-pc-windows-msvc" || hostPlatform.config == "aarch64-uwp-windows-msvc" then "windows_aarch64_msvc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows_aarch64_msvc."0.42.0" { inherit profileName; }).out;
+      ${ if hostPlatform.config == "i686-pc-windows-gnu" || hostPlatform.config == "i686-uwp-windows-gnu" then "windows_i686_gnu" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows_i686_gnu."0.42.0" { inherit profileName; }).out;
+      ${ if hostPlatform.config == "i686-pc-windows-msvc" || hostPlatform.config == "i686-uwp-windows-msvc" then "windows_i686_msvc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows_i686_msvc."0.42.0" { inherit profileName; }).out;
+      ${ if hostPlatform.config == "x86_64-pc-windows-gnu" || hostPlatform.config == "x86_64-uwp-windows-gnu" then "windows_x86_64_gnu" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows_x86_64_gnu."0.42.0" { inherit profileName; }).out;
+      ${ if hostPlatform.config == "x86_64-pc-windows-gnullvm" then "windows_x86_64_gnullvm" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows_x86_64_gnullvm."0.42.0" { inherit profileName; }).out;
+      ${ if hostPlatform.config == "x86_64-pc-windows-msvc" || hostPlatform.config == "x86_64-uwp-windows-msvc" then "windows_x86_64_msvc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".windows_x86_64_msvc."0.42.0" { inherit profileName; }).out;
+    };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".windows_aarch64_gnullvm."0.42.0" = overridableMkRustCrate (profileName: rec {
+    name = "windows_aarch64_gnullvm";
+    version = "0.42.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".windows_aarch64_msvc."0.42.0" = overridableMkRustCrate (profileName: rec {
+    name = "windows_aarch64_msvc";
+    version = "0.42.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".windows_i686_gnu."0.42.0" = overridableMkRustCrate (profileName: rec {
+    name = "windows_i686_gnu";
+    version = "0.42.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".windows_i686_msvc."0.42.0" = overridableMkRustCrate (profileName: rec {
+    name = "windows_i686_msvc";
+    version = "0.42.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".windows_x86_64_gnu."0.42.0" = overridableMkRustCrate (profileName: rec {
+    name = "windows_x86_64_gnu";
+    version = "0.42.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".windows_x86_64_gnullvm."0.42.0" = overridableMkRustCrate (profileName: rec {
+    name = "windows_x86_64_gnullvm";
+    version = "0.42.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".windows_x86_64_msvc."0.42.0" = overridableMkRustCrate (profileName: rec {
+    name = "windows_x86_64_msvc";
+    version = "0.42.0";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"; };
+  });
+  
+  "registry+https://github.com/rust-lang/crates.io-index".winreg."0.10.1" = overridableMkRustCrate (profileName: rec {
+    name = "winreg";
+    version = "0.10.1";
+    registry = "registry+https://github.com/rust-lang/crates.io-index";
+    src = fetchCratesIo { inherit name version; sha256 = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"; };
+    dependencies = {
+      winapi = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
+    };
+  });
+  
+}
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..cbdf4e3
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,19 @@
+[package]
+name = "d53"
+description = "D53 is a dynamic DNS updater that sources information from Consul to route services to the correct place"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+async-trait = "0.1"
+anyhow = "1.0.66"
+futures = "0.3"
+log = "0.4"
+pretty_env_logger = "0.4"
+df-consul = "0.1.0"
+structopt = "0.3"
+tokio = { version = "1.22", default-features = false, features = ["rt", "rt-multi-thread", "io-util", "net", "time", "macros", "sync", "signal", "fs"] }
+reqwest = { version = "0.11", default-features = false, features = ["json", "rustls-tls-webpki-roots" ] }
+serde = { version = "1.0.107", features = ["derive"] }
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..4b5713d
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,108 @@
+{
+  "nodes": {
+    "cargo2nix": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1666087781,
+        "narHash": "sha256-trKVdjMZ8mNkGfLcY5LsJJGtdV3xJDZnMVrkFjErlcs=",
+        "owner": "Alexis211",
+        "repo": "cargo2nix",
+        "rev": "a7a61179b66054904ef6a195d8da736eaaa06c36",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Alexis211",
+        "repo": "cargo2nix",
+        "rev": "a7a61179b66054904ef6a195d8da736eaaa06c36",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1650374568,
+        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1665657542,
+        "narHash": "sha256-mojxNyzbvmp8NtVtxqiHGhRfjCALLfk9i/Uup68Y5q8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a3073c49bc0163fea6a121c276f526837672b555",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a3073c49bc0163fea6a121c276f526837672b555",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "cargo2nix": "cargo2nix",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": [
+          "cargo2nix",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "cargo2nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1664247556,
+        "narHash": "sha256-J4vazHU3609ekn7dr+3wfqPo5WGlZVAgV7jfux352L0=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "524db9c9ea7bc7743bb74cdd45b6d46ea3fcc2ab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..6e94593
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,36 @@
+{
+  description = "D53 is a dynamic DNS updater that sources information from Consul to route services to the correct place";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/a3073c49bc0163fea6a121c276f526837672b555";
+  inputs.cargo2nix = {
+    # As of 2022-10-18: two small patches over unstable branch, one for clippy and one to fix feature detection
+    url = "github:Alexis211/cargo2nix/a7a61179b66054904ef6a195d8da736eaaa06c36";
+    inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, cargo2nix }:
+  let
+    pkgs = import nixpkgs {
+      system = "x86_64-linux";
+      overlays = [ cargo2nix.overlays.default ];
+    };
+    packageFun = import ./Cargo.nix;
+    rustVersion = "1.63.0";
+
+    compile = args: compileMode:
+      let
+        packageSet = pkgs.rustBuilder.makePackageSet ({
+          inherit packageFun rustVersion;
+        } // args);
+      in
+        packageSet.workspace.d53 {
+          inherit compileMode;
+        };
+  in
+  {
+    test.x86_64-linux.d53 = compile { release = false; } "test";
+    debug.x86_64-linux.d53 = compile { release = false; } "build";
+    packages.x86_64-linux.d53 = compile { release = true; } "build";
+    packages.x86_64-linux.default = self.packages.x86_64-linux.d53;
+  };
+}
diff --git a/run_local.sh b/run_local.sh
new file mode 100755
index 0000000..0a110f1
--- /dev/null
+++ b/run_local.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+RUST_LOG=d53=info cargo run \
+	-- \
+	--consul-addr http://localhost:8500 \
+	--provider gandi \
+	--gandi-api-key $GANDI_API_KEY \
+	--allowed-domains staging.deuxfleurs.org
diff --git a/src/dns_config.rs b/src/dns_config.rs
new file mode 100644
index 0000000..188c6fc
--- /dev/null
+++ b/src/dns_config.rs
@@ -0,0 +1,281 @@
+use std::collections::{HashMap, HashSet};
+use std::fmt;
+use std::sync::Arc;
+use std::{cmp, time::Duration};
+
+use anyhow::Result;
+
+use futures::future::BoxFuture;
+use futures::stream::{FuturesUnordered, StreamExt};
+
+use log::*;
+use tokio::{select, sync::watch, time::sleep};
+
+use df_consul::*;
+
+const IPV4_TARGET_METADATA_TAG: &str = "public_ipv4";
+const IPV6_TARGET_METADATA_TAG: &str = "public_ipv6";
+const CNAME_TARGET_METADATA_TAG: &str = "cname_target";
+
+// ---- Extract DNS config from Consul catalog ----
+
+#[derive(Debug)]
+pub struct DnsConfig {
+    pub entries: HashMap<DnsEntryKey, DnsEntryValue>,
+}
+
+#[derive(Debug, Hash, PartialEq, Eq)]
+pub struct DnsEntryKey {
+    pub domain: String,
+    pub subdomain: String,
+    pub record_type: DnsRecordType,
+}
+
+#[derive(Debug, PartialEq, Eq)]
+pub struct DnsEntryValue {
+    pub targets: HashSet<String>,
+}
+
+#[derive(Debug, Hash, PartialEq, Eq)]
+#[allow(clippy::upper_case_acronyms)]
+pub enum DnsRecordType {
+    A,
+    AAAA,
+    CNAME,
+}
+
+impl DnsConfig {
+    pub fn new() -> Self {
+        Self {
+            entries: HashMap::new(),
+        }
+    }
+
+    fn add(&mut self, k: DnsEntryKey, v: DnsEntryValue) {
+        if let Some(ent) = self.entries.get_mut(&k) {
+            ent.targets.extend(v.targets);
+        } else {
+            self.entries.insert(k, v);
+        }
+    }
+}
+
+fn parse_d53_tag(tag: &str, node: &ConsulNode) -> Option<(DnsEntryKey, DnsEntryValue)> {
+    let splits = tag.split(' ').collect::<Vec<_>>();
+    if splits.len() != 3 {
+        return None;
+    }
+
+    let (record_type, targets) = match splits[0] {
+        "d53-a" => match node.meta.get(IPV4_TARGET_METADATA_TAG) {
+            Some(tgt) => (DnsRecordType::A, [tgt.to_string()].into_iter().collect()),
+            None => {
+                warn!("Got d53-a tag `{}` but node {} does not have a {} metadata value. Tag is ignored.", tag, node.node, IPV4_TARGET_METADATA_TAG);
+                return None;
+            }
+        },
+        "d53-aaaa" => match node.meta.get(IPV6_TARGET_METADATA_TAG) {
+            Some(tgt) => (DnsRecordType::AAAA, [tgt.to_string()].into_iter().collect()),
+            None => {
+                warn!("Got d53-aaaa tag `{}` but node {} does not have a {} metadata value. Tag is ignored.", tag, node.node, IPV6_TARGET_METADATA_TAG);
+                return None;
+            }
+        },
+        "d53-cname" => match node.meta.get(CNAME_TARGET_METADATA_TAG) {
+            Some(tgt) => (
+                DnsRecordType::CNAME,
+                [tgt.to_string()].into_iter().collect(),
+            ),
+            None => {
+                warn!("Got d53-cname tag `{}` but node {} does not have a {} metadata value. Tag is ignored.", tag, node.node, CNAME_TARGET_METADATA_TAG);
+                return None;
+            }
+        },
+        _ => return None,
+    };
+
+    Some((
+        DnsEntryKey {
+            domain: splits[1].to_string(),
+            subdomain: splits[2].to_string(),
+            record_type,
+        },
+        DnsEntryValue { targets },
+    ))
+}
+
+fn parse_consul_catalog(catalog: &ConsulNodeCatalog, dns_config: &mut DnsConfig) {
+    trace!("Parsing node catalog: {:#?}", catalog);
+
+    for (_, svc) in catalog.services.iter() {
+        for tag in svc.tags.iter() {
+            if let Some((k, v)) = parse_d53_tag(tag, &catalog.node) {
+                dns_config.add(k, v);
+            }
+        }
+    }
+}
+
+#[derive(Default)]
+struct NodeWatchState {
+    last_idx: Option<usize>,
+    last_catalog: Option<ConsulNodeCatalog>,
+    retries: u32,
+}
+
+pub fn spawn_dns_config_task(
+    consul: Consul,
+    mut must_exit: watch::Receiver<bool>,
+) -> watch::Receiver<Arc<DnsConfig>> {
+    let (tx, rx) = watch::channel(Arc::new(DnsConfig::new()));
+
+    let consul = Arc::new(consul);
+
+    tokio::spawn(async move {
+        let mut nodes = HashMap::new();
+        let mut watches = FuturesUnordered::<BoxFuture<'static, (String, Result<_>)>>::new();
+
+        let mut node_site = HashMap::new();
+
+        while !*must_exit.borrow() {
+            let list_nodes = select! {
+                ln = consul.list_nodes() => ln,
+                _ = must_exit.changed() => continue,
+            };
+
+            match list_nodes {
+                Ok(consul_nodes) => {
+                    debug!("Watched consul nodes: {:?}", consul_nodes);
+                    for consul_node in consul_nodes {
+                        let node = &consul_node.node;
+                        if !nodes.contains_key(node) {
+                            nodes.insert(node.clone(), NodeWatchState::default());
+
+                            let node = node.to_string();
+                            let consul = consul.clone();
+
+                            watches.push(Box::pin(async move {
+                                let res = consul.watch_node(&node, None).await;
+                                (node, res)
+                            }));
+                        }
+                        if let Some(site) = consul_node.meta.get("site") {
+                            node_site.insert(node.clone(), site.clone());
+                        }
+                    }
+                }
+                Err(e) => {
+                    error!("Could not get Consul node list: {}", e);
+                }
+            }
+
+            let next_watch = select! {
+                nw = watches.next() => nw,
+                _ = must_exit.changed() => continue,
+            };
+
+            let (node, res): (String, Result<_>) = match next_watch {
+                Some(v) => v,
+                None => {
+                    warn!("No nodes currently watched in dns_config.rs");
+                    sleep(Duration::from_secs(10)).await;
+                    continue;
+                }
+            };
+
+            match res {
+                Ok((catalog, new_idx)) => {
+                    let mut watch_state = nodes.get_mut(&node).unwrap();
+                    watch_state.last_idx = Some(new_idx);
+                    watch_state.last_catalog = Some(catalog);
+                    watch_state.retries = 0;
+
+                    let idx = watch_state.last_idx;
+                    let consul = consul.clone();
+                    watches.push(Box::pin(async move {
+                        let res = consul.watch_node(&node, idx).await;
+                        (node, res)
+                    }));
+                }
+                Err(e) => {
+                    let mut watch_state = nodes.get_mut(&node).unwrap();
+                    watch_state.retries += 1;
+                    watch_state.last_idx = None;
+
+                    let will_retry_in =
+                        retry_to_time(watch_state.retries, Duration::from_secs(600));
+                    error!(
+                        "Failed to query consul for node {}. Will retry in {}s. {}",
+                        node,
+                        will_retry_in.as_secs(),
+                        e
+                    );
+
+                    let consul = consul.clone();
+                    watches.push(Box::pin(async move {
+                        sleep(will_retry_in).await;
+                        let res = consul.watch_node(&node, None).await;
+                        (node, res)
+                    }));
+                    continue;
+                }
+            }
+
+            let mut dns_config = DnsConfig::new();
+            for (_, watch_state) in nodes.iter() {
+                if let Some(catalog) = &watch_state.last_catalog {
+                    parse_consul_catalog(catalog, &mut dns_config);
+                }
+            }
+
+            tx.send(Arc::new(dns_config)).expect("Internal error");
+        }
+    });
+
+    rx
+}
+
+fn retry_to_time(retries: u32, max_time: Duration) -> Duration {
+    // 1.2^x seems to be a good value to exponentially increase time at a good pace
+    // eg. 1.2^32 = 341 seconds ~= 5 minutes - ie. after 32 retries we wait 5
+    // minutes
+    Duration::from_secs(cmp::min(
+        max_time.as_secs(),
+        1.2f64.powf(retries as f64) as u64,
+    ))
+}
+
+// ---- Display impls ----
+
+impl std::fmt::Display for DnsRecordType {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            DnsRecordType::A => write!(f, "A"),
+            DnsRecordType::AAAA => write!(f, "AAAA"),
+            DnsRecordType::CNAME => write!(f, "CNAME"),
+        }
+    }
+}
+
+impl std::fmt::Display for DnsEntryKey {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "{}.{} IN {}",
+            self.subdomain, self.domain, self.record_type
+        )
+    }
+}
+
+impl std::fmt::Display for DnsEntryValue {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "[")?;
+        for (i, tgt) in self.targets.iter().enumerate() {
+            if i > 0 {
+                write!(f, " ")?;
+            }
+            write!(f, "{}", tgt)?;
+        }
+        write!(f, "]")
+    }
+}
diff --git a/src/dns_updater.rs b/src/dns_updater.rs
new file mode 100644
index 0000000..06ba408
--- /dev/null
+++ b/src/dns_updater.rs
@@ -0,0 +1,98 @@
+use std::net::{Ipv4Addr, Ipv6Addr};
+use std::sync::Arc;
+
+use anyhow::{anyhow, bail, Result};
+use log::*;
+use tokio::select;
+use tokio::sync::watch;
+
+use crate::dns_config::*;
+use crate::provider::DnsProvider;
+
+pub async fn dns_updater_task(
+    mut rx_dns_config: watch::Receiver<Arc<DnsConfig>>,
+    provider: Box<dyn DnsProvider>,
+    allowed_domains: Vec<String>,
+    mut must_exit: watch::Receiver<bool>,
+) {
+    let mut config = Arc::new(DnsConfig::new());
+    while !*must_exit.borrow() {
+        select!(
+            c = rx_dns_config.changed() => {
+                if c.is_err() {
+                    break;
+                }
+            }
+            _ = must_exit.changed() => continue,
+        );
+        let new_config: Arc<DnsConfig> = rx_dns_config.borrow().clone();
+
+        for (k, v) in new_config.entries.iter() {
+            if config.entries.get(k) != Some(v) {
+                let fulldomain = format!("{}.{}", k.subdomain, k.domain);
+                if !allowed_domains.iter().any(|d| fulldomain.ends_with(d)) {
+                    error!(
+                        "Got an entry for domain {} which is not in allowed list",
+                        k.domain
+                    );
+                    continue;
+                }
+
+                info!("Updating {} {}", k, v);
+                if let Err(e) = update_dns_entry(k, v, provider.as_ref()).await {
+                    error!("Unable to update entry {} {}: {}", k, v, e);
+                }
+            }
+        }
+
+        config = new_config;
+    }
+}
+
+async fn update_dns_entry(
+    key: &DnsEntryKey,
+    value: &DnsEntryValue,
+    provider: &dyn DnsProvider,
+) -> Result<()> {
+    if value.targets.is_empty() {
+        bail!("zero targets (internal error)");
+    }
+
+    match key.record_type {
+        DnsRecordType::A => {
+            let mut targets = vec![];
+            for tgt in value.targets.iter() {
+                targets.push(
+                    tgt.parse::<Ipv4Addr>()
+                        .map_err(|_| anyhow!("Invalid ipv4 address: {}", tgt))?,
+                );
+            }
+            provider
+                .update_a(&key.domain, &key.subdomain, &targets)
+                .await?;
+        }
+        DnsRecordType::AAAA => {
+            let mut targets = vec![];
+            for tgt in value.targets.iter() {
+                targets.push(
+                    tgt.parse::<Ipv6Addr>()
+                        .map_err(|_| anyhow!("Invalid ipv6 address: {}", tgt))?,
+                );
+            }
+            provider
+                .update_aaaa(&key.domain, &key.subdomain, &targets)
+                .await?;
+        }
+        DnsRecordType::CNAME => {
+            let mut targets = value.targets.iter().cloned().collect::<Vec<_>>();
+            if targets.len() > 1 {
+                targets.sort();
+                warn!("Several CNAME targets for {}: {:?}. Taking first one in alphabetical order. Consider switching to a single global target instead.", key, targets);
+            }
+            provider
+                .update_cname(&key.domain, &key.subdomain, &targets[0])
+                .await?;
+        }
+    }
+    Ok(())
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..a55f271
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,143 @@
+use std::sync::Arc;
+
+use log::*;
+use structopt::StructOpt;
+use tokio::select;
+use tokio::sync::watch;
+
+mod dns_config;
+mod dns_updater;
+mod provider;
+
+#[derive(StructOpt, Debug)]
+#[structopt(name = "d53")]
+pub struct Opt {
+    /// Address of consul server
+    #[structopt(
+        long = "consul-addr",
+        env = "D53_CONSUL_HOST",
+        default_value = "http://127.0.0.1:8500"
+    )]
+    pub consul_addr: String,
+
+    /// CA certificate for Consul server with TLS
+    #[structopt(long = "consul-ca-cert", env = "D53_CONSUL_CA_CERT")]
+    pub consul_ca_cert: Option<String>,
+
+    /// Skip TLS verification for Consul
+    #[structopt(long = "consul-tls-skip-verify", env = "D53_CONSUL_TLS_SKIP_VERIFY")]
+    pub consul_tls_skip_verify: bool,
+
+    /// Client certificate for Consul server with TLS
+    #[structopt(long = "consul-client-cert", env = "D53_CONSUL_CLIENT_CERT")]
+    pub consul_client_cert: Option<String>,
+
+    /// Client key for Consul server with TLS
+    #[structopt(long = "consul-client-key", env = "D53_CONSUL_CLIENT_KEY")]
+    pub consul_client_key: Option<String>,
+
+    /// DNS provider
+    #[structopt(long = "provider", env = "D53_PROVIDER")]
+    pub provider: String,
+
+    /// Allowed domains
+    #[structopt(long = "allowed-domains", env = "D53_ALLOWED_DOMAINS")]
+    pub allowed_domains: String,
+
+    /// API key for Gandi DNS provider
+    #[structopt(long = "gandi-api-key", env = "D53_GANDI_API_KEY")]
+    pub gandi_api_key: Option<String>,
+}
+
+#[tokio::main]
+async fn main() {
+    if std::env::var("RUST_LOG").is_err() {
+        std::env::set_var("RUST_LOG", "tricot=info")
+    }
+    pretty_env_logger::init();
+
+    // Abort on panic (same behavior as in Go)
+    std::panic::set_hook(Box::new(|panic_info| {
+        error!("{}", panic_info.to_string());
+        std::process::abort();
+    }));
+
+    let opt = Opt::from_args();
+
+    info!("Starting D53");
+
+    let (exit_signal, _) = watch_ctrl_c();
+
+    let consul_config = df_consul::ConsulConfig {
+        addr: opt.consul_addr.clone(),
+        ca_cert: opt.consul_ca_cert.clone(),
+        tls_skip_verify: opt.consul_tls_skip_verify,
+        client_cert: opt.consul_client_cert.clone(),
+        client_key: opt.consul_client_key.clone(),
+    };
+
+    let consul = df_consul::Consul::new(consul_config, "").expect("Cannot build Consul");
+
+    let provider: Box<dyn provider::DnsProvider> = match opt.provider.as_str() {
+        "gandi" => Box::new(
+            provider::gandi::GandiProvider::new(&opt).expect("Cannot initialize Gandi provier"),
+        ),
+        p => panic!("Unsupported DNS provider: {}", p),
+    };
+
+    let allowed_domains = opt
+        .allowed_domains
+        .split(',')
+        .map(ToString::to_string)
+        .collect::<Vec<_>>();
+
+    let rx_dns_config = dns_config::spawn_dns_config_task(consul.clone(), exit_signal.clone());
+
+    let updater_task = tokio::spawn(dns_updater::dns_updater_task(
+        rx_dns_config.clone(),
+        provider,
+        allowed_domains,
+        exit_signal.clone(),
+    ));
+    let dump_task = tokio::spawn(dump_config_on_change(rx_dns_config, exit_signal));
+
+    updater_task.await.expect("Tokio task await failure");
+    dump_task.await.expect("Tokio task await failure");
+}
+
+async fn dump_config_on_change(
+    mut rx_dns_config: watch::Receiver<Arc<dns_config::DnsConfig>>,
+    mut must_exit: watch::Receiver<bool>,
+) {
+    while !*must_exit.borrow() {
+        select!(
+            c = rx_dns_config.changed() => {
+                if c.is_err() {
+                    break;
+                }
+            }
+            _ = must_exit.changed() => continue,
+        );
+        println!("---- DNS CONFIGURATION ----");
+        for (k, v) in rx_dns_config.borrow().entries.iter() {
+            println!("   {} {}", k, v);
+        }
+        println!();
+    }
+}
+
+/// Creates a watch that contains `false`, and that changes
+/// to `true` when a Ctrl+C signal is received.
+pub fn watch_ctrl_c() -> (watch::Receiver<bool>, Arc<watch::Sender<bool>>) {
+    let (send_cancel, watch_cancel) = watch::channel(false);
+    let send_cancel = Arc::new(send_cancel);
+    let send_cancel_2 = send_cancel.clone();
+    tokio::spawn(async move {
+        tokio::signal::ctrl_c()
+            .await
+            .expect("failed to install CTRL+C signal handler");
+        info!("Received CTRL+C, shutting down.");
+        send_cancel.send(true).unwrap();
+    });
+    (watch_cancel, send_cancel_2)
+}
diff --git a/src/provider/gandi.rs b/src/provider/gandi.rs
new file mode 100644
index 0000000..1f4f51f
--- /dev/null
+++ b/src/provider/gandi.rs
@@ -0,0 +1,102 @@
+use std::net::{Ipv4Addr, Ipv6Addr};
+
+use anyhow::{anyhow, Result};
+use async_trait::async_trait;
+use log::{info, warn};
+use reqwest::header;
+use serde::Serialize;
+
+use crate::provider::DnsProvider;
+use crate::Opt;
+
+pub struct GandiProvider {
+    client: reqwest::Client,
+}
+
+impl GandiProvider {
+    pub fn new(opts: &Opt) -> Result<Self> {
+        let api_key = opts
+            .gandi_api_key
+            .clone()
+            .ok_or_else(|| anyhow!("Must specify D53_GANDI_API_KEY"))?;
+
+        let mut headers = header::HeaderMap::new();
+        let mut auth_value = header::HeaderValue::from_str(&format!("Apikey {}", api_key))?;
+        auth_value.set_sensitive(true);
+        headers.insert(header::AUTHORIZATION, auth_value);
+
+        let client = reqwest::Client::builder()
+            .default_headers(headers)
+            .use_rustls_tls()
+            .build()?;
+
+        Ok(Self { client })
+    }
+
+    async fn put_rrset(&self, url: &str, rrset: &GandiRrset) -> Result<()> {
+        info!("PUT {} with {:?}", url, rrset);
+        let http = self.client.put(url).json(rrset).send().await?;
+
+        if !http.status().is_success() {
+            warn!("PUT {} returned {}", url, http.status());
+        }
+
+        http.error_for_status()?;
+        Ok(())
+    }
+}
+
+#[async_trait]
+impl DnsProvider for GandiProvider {
+    fn provider(&self) -> &'static str {
+        "gandi"
+    }
+
+    async fn update_a(&self, domain: &str, subdomain: &str, targets: &[Ipv4Addr]) -> Result<()> {
+        let url = format!(
+            "https://api.gandi.net/v5/livedns/domains/{}/records/{}/A",
+            domain, subdomain
+        );
+
+        let rrset = GandiRrset {
+            rrset_values: targets.iter().map(ToString::to_string).collect::<Vec<_>>(),
+            rrset_ttl: 300,
+        };
+
+        self.put_rrset(&url, &rrset).await
+    }
+
+    async fn update_aaaa(&self, domain: &str, subdomain: &str, targets: &[Ipv6Addr]) -> Result<()> {
+        let url = format!(
+            "https://api.gandi.net/v5/livedns/domains/{}/records/{}/AAAA",
+            domain, subdomain
+        );
+
+        let rrset = GandiRrset {
+            rrset_values: targets.iter().map(ToString::to_string).collect::<Vec<_>>(),
+            rrset_ttl: 300,
+        };
+
+        self.put_rrset(&url, &rrset).await
+    }
+
+    async fn update_cname(&self, domain: &str, subdomain: &str, target: &str) -> Result<()> {
+        let url = format!(
+            "https://api.gandi.net/v5/livedns/domains/{}/records/{}/CNAME",
+            domain, subdomain
+        );
+
+        let rrset = GandiRrset {
+            rrset_values: vec![target.to_string()],
+            rrset_ttl: 300,
+        };
+
+        self.put_rrset(&url, &rrset).await
+    }
+}
+
+#[derive(Serialize, Debug)]
+struct GandiRrset {
+    rrset_values: Vec<String>,
+    rrset_ttl: u32,
+}
diff --git a/src/provider/mod.rs b/src/provider/mod.rs
new file mode 100644
index 0000000..6527631
--- /dev/null
+++ b/src/provider/mod.rs
@@ -0,0 +1,20 @@
+pub mod gandi;
+
+use std::net::{Ipv4Addr, Ipv6Addr};
+
+use anyhow::Result;
+use async_trait::async_trait;
+
+#[async_trait]
+pub trait DnsProvider: Send + Sync {
+    fn provider(&self) -> &'static str;
+    async fn update_a(&self, domain: &str, subdomain: &str, targets: &[Ipv4Addr]) -> Result<()>;
+    async fn update_aaaa(&self, domain: &str, subdomain: &str, targets: &[Ipv6Addr]) -> Result<()>;
+    async fn update_cname(&self, domain: &str, subdomain: &str, target: &str) -> Result<()>;
+}
+
+impl std::fmt::Debug for dyn DnsProvider {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
+        write!(f, "DnsProvider({})", self.provider())
+    }
+}