Fix unused import clippy warning

src/client_server/membership.rs

@@ -21,9 +21,9 @@ use ruma::{
     serde::{to_canonical_value, CanonicalJsonObject, Raw},
     EventId, RoomId, RoomVersionId, ServerName, UserId,
 };
-use state_res::Event;
+// use state_res::Event;
 use std::{
-    collections::{BTreeMap, HashMap, HashSet},
+    collections::{BTreeMap, HashSet},
     convert::TryFrom,
     iter,
     sync::Arc,
@@ -557,7 +557,7 @@ async fn join_room_by_id_helper(
 
         let room_state = send_join_response.room_state.state.iter().map(add_event_id);
 
-        let state_events = room_state
+        let _state_events = room_state
             .clone()
             .map(|pdu: Result<(EventId, CanonicalJsonObject)>| Ok(pdu?.0))
             .chain(iter::once(Ok(event_id.clone()))) // Add join event we just created

src/client_server/session.rs

@@ -117,8 +117,7 @@ pub async fn login_route(
     let device_exists = body.device_id.as_ref().map_or(false, |device_id| {
         db.users
             .all_device_ids(&user_id)
-            .find(|x| x.as_ref().map_or(false, |v| v == device_id))
-            .is_some()
+            .any(|x| x.as_ref().map_or(false, |v| v == device_id))
     });
 
     if device_exists {

src/server_server.rs

@@ -800,8 +800,7 @@ pub async fn send_transaction_message_route<'a>(
             }
         };
 
-        // Make this the state after (since we appended_incoming_pdu this should agree with our servers
-        // current state).
+        // Make this the state after.
         let mut state_after = state_at_event.clone();
         state_after.insert((pdu.kind(), pdu.state_key()), pdu.clone());
         // Add the incoming event to the mix of state snapshots