diff --git a/examples/login.rs b/examples/login.rs
index 8727f5f7..bf612b8d 100644
--- a/examples/login.rs
+++ b/examples/login.rs
@@ -1,6 +1,6 @@
+use std::ops::{Deref, DerefMut};
 use std::sync::{Arc, RwLock};
 use std::{env, process::exit};
-use std::ops::{Deref, DerefMut};
 use url::Url;
 
 use matrix_sdk::{
diff --git a/src/async_client.rs b/src/async_client.rs
index 0799dfef..94ad4e03 100644
--- a/src/async_client.rs
+++ b/src/async_client.rs
@@ -17,7 +17,7 @@ use std::collections::HashMap;
 use std::convert::{TryFrom, TryInto};
 use std::result::Result as StdResult;
 use std::sync::atomic::{AtomicU64, Ordering};
-use std::sync::{Arc, Mutex};
+use std::sync::Arc;
 use std::time::{Duration, Instant};
 
 use futures::future::{BoxFuture, Future, FutureExt};
@@ -263,13 +263,20 @@ impl AsyncClient {
     /// Add `EventEmitter` to `AsyncClient`.
     ///
     /// The methods of `EventEmitter` are called when the respective `RoomEvents` occur.
-    pub async fn add_event_emitter(&mut self, emitter: Arc<tokio::sync::Mutex<Box<dyn EventEmitter>>>) {
+    pub async fn add_event_emitter(
+        &mut self,
+        emitter: Arc<tokio::sync::Mutex<Box<dyn EventEmitter>>>,
+    ) {
         self.base_client.write().await.event_emitter = Some(emitter);
     }
 
     /// Calculates the room name from a `RoomId`, returning a string.
     pub async fn get_room_name(&self, room_id: &str) -> Option<String> {
-        self.base_client.read().await.calculate_room_name(room_id).await
+        self.base_client
+            .read()
+            .await
+            .calculate_room_name(room_id)
+            .await
     }
 
     /// Calculates the room names this client knows about.
diff --git a/src/base_client.rs b/src/base_client.rs
index 6800657e..012d7679 100644
--- a/src/base_client.rs
+++ b/src/base_client.rs
@@ -16,7 +16,7 @@
 use std::collections::{HashMap, HashSet};
 use std::convert::TryFrom;
 use std::fmt;
-use std::sync::{Arc, RwLock};
+use std::sync::Arc;
 
 #[cfg(feature = "encryption")]
 use std::result::Result as StdResult;
@@ -302,10 +302,7 @@ impl Client {
                     }
                 }
 
-                let mut room = self
-                    .get_or_create_room(&room_id.to_string())
-                    .lock()
-                    .await;
+                let mut room = self.get_or_create_room(&room_id.to_string()).lock().await;
                 room.receive_timeline_event(e);
                 decrypted_event
             }
@@ -527,7 +524,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_room_canonical_alias(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_room_canonical_alias(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -567,7 +567,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_room_message_feedback(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_room_message_feedback(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -577,7 +580,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_room_redaction(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_room_redaction(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -587,7 +593,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_room_power_levels(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_room_power_levels(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -623,7 +632,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_state_canonical_alias(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_state_canonical_alias(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -633,7 +645,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_state_aliases(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_state_aliases(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -653,7 +668,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_state_power_levels(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_state_power_levels(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -663,7 +681,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_state_join_rules(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_state_join_rules(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -683,7 +704,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_account_presence(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_account_presence(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -693,7 +717,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_account_ignored_users(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_account_ignored_users(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -703,7 +730,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_account_push_rules(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_account_push_rules(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
@@ -713,7 +743,10 @@ impl Client {
                     if let Some(room) = self.get_room(&room_id.to_string()) {
                         ee.lock()
                             .await
-                            .on_account_data_fully_read(Arc::clone(&room), Arc::new(Mutex::new(event.clone())))
+                            .on_account_data_fully_read(
+                                Arc::clone(&room),
+                                Arc::new(Mutex::new(event.clone())),
+                            )
                             .await;
                     }
                 }
diff --git a/src/event_emitter/mod.rs b/src/event_emitter/mod.rs
index 0c962e07..20612260 100644
--- a/src/event_emitter/mod.rs
+++ b/src/event_emitter/mod.rs
@@ -64,11 +64,17 @@ pub trait EventEmitter: Send + Sync {
     /// Fires when `AsyncClient` receives a `NonRoomEvent::RoomMember` event.
     async fn on_account_presence(&mut self, _: Arc<Mutex<Room>>, _: Arc<Mutex<NonRoomEvent>>) {}
     /// Fires when `AsyncClient` receives a `NonRoomEvent::RoomName` event.
-    async fn on_account_ignored_users(&mut self, _: Arc<Mutex<Room>>, _: Arc<Mutex<NonRoomEvent>>) {}
+    async fn on_account_ignored_users(&mut self, _: Arc<Mutex<Room>>, _: Arc<Mutex<NonRoomEvent>>) {
+    }
     /// Fires when `AsyncClient` receives a `NonRoomEvent::RoomCanonicalAlias` event.
     async fn on_account_push_rules(&mut self, _: Arc<Mutex<Room>>, _: Arc<Mutex<NonRoomEvent>>) {}
     /// Fires when `AsyncClient` receives a `NonRoomEvent::RoomAliases` event.
-    async fn on_account_data_fully_read(&mut self, _: Arc<Mutex<Room>>, _: Arc<Mutex<NonRoomEvent>>) {}
+    async fn on_account_data_fully_read(
+        &mut self,
+        _: Arc<Mutex<Room>>,
+        _: Arc<Mutex<NonRoomEvent>>,
+    ) {
+    }
 
     // `PresenceEvent` is a struct so there is only the one method
     /// Fires when `AsyncClient` receives a `NonRoomEvent::RoomAliases` event.