diff --git a/crates/projection-irc/src/lib.rs b/crates/projection-irc/src/lib.rs
index ff3d892..4808b85 100644
--- a/crates/projection-irc/src/lib.rs
+++ b/crates/projection-irc/src/lib.rs
@@ -181,17 +181,17 @@ async fn handle_registration<'a>(
                 }
                 CapabilitySubcommand::End => {
                     let Some((ref username, ref realname)) = future_username else {
-                        break Err(anyhow::Error::msg("Protocol violated"));
+                        todo!();
                     };
                     let Some(nickname) = future_nickname.clone() else {
-                        break Err(anyhow::Error::msg("Protocol violated"));
+                        todo!();
                     };
                     let username = username.clone();
                     let realname = realname.clone();
                     let candidate_user = RegisteredUser {
                         nickname: nickname.clone(),
                         username,
-                        realname
+                        realname,
                     };
                     if enabled_capabilities.contains(Capabilities::Sasl)
                         && validated_user.as_ref() == Some(&candidate_user.nickname)
@@ -200,10 +200,12 @@ async fn handle_registration<'a>(
                     } else {
                         let Some(candidate_password) = pass else {
                             sasl_fail_message(
-                                config.server_name.clone(), 
-                                nickname.clone(), 
-                                "User credentials was not provided".into()
-                            ).write_async(writer).await?;
+                                config.server_name.clone(),
+                                nickname.clone(),
+                                "User credentials was not provided".into(),
+                            )
+                            .write_async(writer)
+                            .await?;
                             writer.flush().await?;
                             continue;
                         };
@@ -223,10 +225,12 @@ async fn handle_registration<'a>(
                     };
                     let Some(candidate_password) = pass else {
                         sasl_fail_message(
-                            config.server_name.clone(), 
-                            nickname.clone(), 
-                            "User credentials was not provided".into()
-                        ).write_async(writer).await?;
+                            config.server_name.clone(),
+                            nickname.clone(),
+                            "User credentials was not provided".into(),
+                        )
+                        .write_async(writer)
+                        .await?;
                         writer.flush().await?;
                         continue;
                     };
@@ -247,10 +251,12 @@ async fn handle_registration<'a>(
                     };
                     let Some(candidate_password) = pass else {
                         sasl_fail_message(
-                            config.server_name.clone(), 
-                            nickname.clone(), 
-                            "User credentials was not provided".into()
-                        ).write_async(writer).await?;
+                            config.server_name.clone(),
+                            nickname.clone(),
+                            "User credentials was not provided".into(),
+                        )
+                        .write_async(writer)
+                        .await?;
                         writer.flush().await?;
                         continue;
                     };
@@ -276,7 +282,13 @@ async fn handle_registration<'a>(
                         writer.flush().await?;
                     } else {
                         if let Some(nickname) = future_nickname.clone() {
-                            sasl_fail_message(config.server_name.clone(), nickname.clone(), "Unsupported mechanism".into()).write_async(writer).await?;
+                            sasl_fail_message(
+                                config.server_name.clone(),
+                                nickname.clone(),
+                                "Unsupported mechanism".into(),
+                            )
+                            .write_async(writer)
+                            .await?;
                             writer.flush().await?;
                         } else {
                             break Err(anyhow::Error::msg("Wrong authentication sequence"));
@@ -287,10 +299,11 @@ async fn handle_registration<'a>(
                     if let Err(e) = auth_user(storage, &body.login, &body.password).await {
                         tracing::warn!("Authentication failed: {:?}", e);
                         if let Some(nickname) = future_nickname.clone() {
-                            sasl_fail_message(config.server_name.clone(), nickname.clone(), "Bad credentials".into()).write_async(writer).await?;
+                            sasl_fail_message(config.server_name.clone(), nickname.clone(), "Bad credentials".into())
+                                .write_async(writer)
+                                .await?;
                             writer.flush().await?;
                         } else {
-
                         }
                     } else {
                         let login: Str = body.login.into();
@@ -320,7 +333,7 @@ async fn handle_registration<'a>(
                         writer.flush().await?;
                     }
                 }
-                
+
                 // TODO handle abortion of authentication
             }
             _ => {}
@@ -335,7 +348,7 @@ fn sasl_fail_message(sender: Str, nick: Str, text: Str) -> ServerMessage {
     ServerMessage {
         tags: vec![],
         sender: Some(sender),
-        body: ServerMessageBody::N904SaslFail { nick, text }
+        body: ServerMessageBody::N904SaslFail { nick, text },
     }
 }