diff -r a077aac9df01 -r 98ef2913ec73 rust/hedgewars-server/src/server/handlers/loggingin.rs
--- a/rust/hedgewars-server/src/server/handlers/loggingin.rs	Sun Dec 16 00:09:20 2018 +0100
+++ b/rust/hedgewars-server/src/server/handlers/loggingin.rs	Sun Dec 16 00:12:29 2018 +0100
@@ -1,21 +1,19 @@
 use mio;
 
 use crate::{
+    protocol::messages::{HWProtocolMessage, HWServerMessage::*},
     server::{
+        actions::{Action, Action::*},
         client::HWClient,
         core::HWServer,
         coretypes::ClientId,
-        actions::{Action, Action::*}
     },
-    protocol::messages::{
-        HWProtocolMessage, HWServerMessage::*
-    },
-    utils::is_name_illegal
+    utils::is_name_illegal,
 };
+use log::*;
 #[cfg(feature = "official-server")]
 use openssl::sha::sha1;
 use std::fmt::{Formatter, LowerHex};
-use log::*;
 
 #[derive(PartialEq)]
 struct Sha1Digest([u8; 20]);
@@ -31,29 +29,27 @@
 
 #[cfg(feature = "official-server")]
 fn get_hash(client: &HWClient, salt1: &str, salt2: &str) -> Sha1Digest {
-    let s = format!("{}{}{}{}{}", salt1, salt2,
-                    client.web_password, client.protocol_number, "!hedgewars");
+    let s = format!(
+        "{}{}{}{}{}",
+        salt1, salt2, client.web_password, client.protocol_number, "!hedgewars"
+    );
     Sha1Digest(sha1(s.as_bytes()))
 }
 
-pub fn handle(server: & mut HWServer, client_id: ClientId, message: HWProtocolMessage) {
+pub fn handle(server: &mut HWServer, client_id: ClientId, message: HWProtocolMessage) {
     match message {
         HWProtocolMessage::Nick(nick) => {
             let client = &mut server.clients[client_id];
             debug!("{} {}", nick, is_name_illegal(&nick));
             let actions = if client.room_id != None {
                 unreachable!()
-            }
-            else if !client.nick.is_empty() {
+            } else if !client.nick.is_empty() {
                 vec![ProtocolError("Nickname already provided.".to_string())]
-            }
-            else if is_name_illegal(&nick) {
+            } else if is_name_illegal(&nick) {
                 vec![ByeClient("Illegal nickname! Nicknames must be between 1-40 characters long, must not have a trailing or leading space and must not have any of these characters: $()*+?[]^{|}".to_string())]
-            }
-            else {
+            } else {
                 client.nick = nick.clone();
-                vec![Nick(nick).send_self().action(),
-                     CheckRegistered]
+                vec![Nick(nick).send_self().action(), CheckRegistered]
             };
 
             server.react(client_id, actions);
@@ -62,14 +58,11 @@
             let client = &mut server.clients[client_id];
             let actions = if client.protocol_number != 0 {
                 vec![ProtocolError("Protocol already known.".to_string())]
-            }
-            else if proto == 0 {
+            } else if proto == 0 {
                 vec![ProtocolError("Bad number.".to_string())]
-            }
-            else {
+            } else {
                 client.protocol_number = proto;
-                vec![Proto(proto).send_self().action(),
-                     CheckRegistered]
+                vec![Proto(proto).send_self().action(), CheckRegistered]
             };
             server.react(client_id, actions);
         }
@@ -80,8 +73,12 @@
             let client_hash = get_hash(c, &salt, &c.server_salt);
             let server_hash = get_hash(c, &c.server_salt, &salt);
             let actions = if client_hash == server_hash {
-                vec![ServerAuth(format!("{:x}", server_hash)).send_self().action(),
-                     JoinLobby]
+                vec![
+                    ServerAuth(format!("{:x}", server_hash))
+                        .send_self()
+                        .action(),
+                    JoinLobby,
+                ]
             } else {
                 vec![ByeClient("Authentication failed".to_string())]
             };