diff --git a/src/main.rs b/src/main.rs
index 324f500..de99b7f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,8 +3,8 @@ use eyre::{OptionExt, WrapErr};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::convert::TryFrom;
-use std::time::{Duration, SystemTime};
 use std::fmt;
+use std::time::{Duration, SystemTime};
 
 const RESTIC_ALARM_BUCKET: &str = "restic-alarm-state";
 const RESTIC_ALARM_STATE_FILE: &str = "state.toml";
@@ -56,19 +56,19 @@ struct AlertStatus {
 
 impl fmt::Display for AlertStatus {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let days = |d: Duration| {
-            d.as_secs() / (3600 * 24)
-        };
-        let hours = |d: Duration| {
-            (d.as_secs() / 3600) % 24
-        };
-        write!(f, "{}: inactivity: {} days, {} hours, last_alert: {}",
-               (if self.alert { "ALERT" } else { "no alert" }),
-               days(self.inactivity), hours(self.inactivity),
-               match self.last_alert {
-                   None => "none".to_owned(),
-                   Some(d) => format!("{} days, {} hours", days(d), hours(d))
-               })
+        let days = |d: Duration| d.as_secs() / (3600 * 24);
+        let hours = |d: Duration| (d.as_secs() / 3600) % 24;
+        write!(
+            f,
+            "{}: inactivity: {} days, {} hours, last_alert: {}",
+            (if self.alert { "ALERT" } else { "no alert" }),
+            days(self.inactivity),
+            hours(self.inactivity),
+            match self.last_alert {
+                None => "none".to_owned(),
+                Some(d) => format!("{} days, {} hours", days(d), hours(d)),
+            }
+        )
     }
 }
 
@@ -221,7 +221,11 @@ async fn repo_last_snapshot(client: &s3::Client, repo: &str) -> eyre::Result<Opt
 // (e.g. if it fails to parse).
 // So the error must not be propagated to the toplevel, which would abort the
 // alert for remaining repositories; it should instead just be reported/logged.
-async fn check_repo(client: &s3::Client, state: &mut State, repo: &str) -> eyre::Result<Option<AlertStatus>> {
+async fn check_repo(
+    client: &s3::Client,
+    state: &mut State,
+    repo: &str,
+) -> eyre::Result<Option<AlertStatus>> {
     let config = read_repo_config(client, repo).await?;
     if let Some(inactivity) = repo_last_snapshot(client, repo).await? {
         let last_alert = state.last_alert(repo);
@@ -232,7 +236,11 @@ async fn check_repo(client: &s3::Client, state: &mut State, repo: &str) -> eyre:
             state.update_last_alert(repo);
             write_state(client, state).await?;
         }
-        Ok(Some(AlertStatus { alert, inactivity, last_alert }))
+        Ok(Some(AlertStatus {
+            alert,
+            inactivity,
+            last_alert,
+        }))
     } else {
         Ok(None)
     }
@@ -258,10 +266,10 @@ async fn main() -> eyre::Result<()> {
         match check_repo(&client, &mut state, &repo).await {
             Ok(None) => {
                 println!("{}: no snapshot, skipping", &repo)
-            },
+            }
             Ok(Some(status)) => {
                 println!("{}: {}", &repo, status);
-            },
+            }
             Err(err) => {
                 // is this the best way to log the error?
                 println!("Error ({}): {:?}", &repo, err)