diff --git a/src/imap/command/authenticated.rs b/src/imap/command/authenticated.rs
index c5f2d00..60872ae 100644
--- a/src/imap/command/authenticated.rs
+++ b/src/imap/command/authenticated.rs
@@ -235,9 +235,7 @@ impl<'a> AuthenticatedContext<'a> {
                     .to_string()
                     .try_into()
                     .map_err(|_| anyhow!("invalid mailbox name"))?;
-                let mut items = vec![FlagNameAttribute::from(Atom::unvalidated(
-                    "Subscribed",
-                ))];
+                let mut items = vec![FlagNameAttribute::from(Atom::unvalidated("Subscribed"))];
                 if !*is_real {
                     items.push(FlagNameAttribute::Noselect);
                 } else {
diff --git a/src/imap/command/selected.rs b/src/imap/command/selected.rs
index 154e28c..73f8aec 100644
--- a/src/imap/command/selected.rs
+++ b/src/imap/command/selected.rs
@@ -226,7 +226,10 @@ impl<'a> SelectedContext<'a> {
         ))
     }
 
-    async fn expunge(self, uid_sequence_set: &Option<SequenceSet>) -> Result<(Response<'static>, flow::Transition)> {
+    async fn expunge(
+        self,
+        uid_sequence_set: &Option<SequenceSet>,
+    ) -> Result<(Response<'static>, flow::Transition)> {
         if let Some(failed) = self.fail_read_only() {
             return Ok((failed, flow::Transition::None));
         }
diff --git a/src/imap/mailbox_view.rs b/src/imap/mailbox_view.rs
index f632df1..d57e9a3 100644
--- a/src/imap/mailbox_view.rs
+++ b/src/imap/mailbox_view.rs
@@ -237,20 +237,29 @@ impl MailboxView {
         self.update(UpdateParameters::default()).await
     }
 
-    pub async fn expunge(&mut self, maybe_seq_set: &Option<SequenceSet>) -> Result<Vec<Body<'static>>> {
+    pub async fn expunge(
+        &mut self,
+        maybe_seq_set: &Option<SequenceSet>,
+    ) -> Result<Vec<Body<'static>>> {
         // Get a recent view to apply our change
         self.internal.sync().await?;
         let state = self.internal.peek().await;
         let idx = Index::new(&state)?;
-        
+
         // Build a default sequence set for the default case
-        use imap_codec::imap_types::sequence::{Sequence, SeqOrUid};
+        use imap_codec::imap_types::sequence::{SeqOrUid, Sequence};
         let seq = match maybe_seq_set {
             Some(s) => s.clone(),
-            None => SequenceSet(vec![Sequence::Range(SeqOrUid::Value(NonZeroU32::MIN), SeqOrUid::Asterisk)].try_into().unwrap()),
+            None => SequenceSet(
+                vec![Sequence::Range(
+                    SeqOrUid::Value(NonZeroU32::MIN),
+                    SeqOrUid::Asterisk,
+                )]
+                .try_into()
+                .unwrap(),
+            ),
         };
 
-
         let deleted_flag = Flag::Deleted.to_string();
         let msgs = idx
             .fetch_on_uid(&seq)
diff --git a/src/mail/user.rs b/src/mail/user.rs
index 4767a93..ad05615 100644
--- a/src/mail/user.rs
+++ b/src/mail/user.rs
@@ -269,10 +269,12 @@ impl User {
             }
         };
 
-        let is_default_mbx_missing = [ DRAFTS, ARCHIVE, SENT, TRASH ]
+        let is_default_mbx_missing = [DRAFTS, ARCHIVE, SENT, TRASH]
             .iter()
             .map(|mbx| list.create_mailbox(mbx))
-            .fold(false, |acc, r| acc || matches!(r, CreatedMailbox::Created(..)));
+            .fold(false, |acc, r| {
+                acc || matches!(r, CreatedMailbox::Created(..))
+            });
         let is_inbox_missing = self.ensure_inbox_exists(&mut list, &row).await?;
         if is_default_mbx_missing && !is_inbox_missing {
             // It's the only case where we created some mailboxes and not saved them
diff --git a/tests/behavior.rs b/tests/behavior.rs
index 2e3c610..a6dc78d 100644
--- a/tests/behavior.rs
+++ b/tests/behavior.rs
@@ -241,7 +241,6 @@ fn rfc4551_imapext_condstore() {
     .expect("test fully run");
 }
 
-
 fn rfc2177_imapext_idle() {
     println!("🧪 rfc2177_imapext_idle");
     common::aerogramme_provider_daemon_dev(|imap_socket, lmtp_socket| {