matrix-sdk: Fix some new clippy warnings

matrix_sdk_base/examples/state_inspector.rs

@@ -1,4 +1,4 @@
-use std::{convert::TryFrom, fmt::Debug, io, sync::Arc};
+use std::{convert::TryFrom, fmt::Debug, sync::Arc};
 
 use futures::executor::block_on;
 use serde::Serialize;
@@ -388,7 +388,7 @@ impl Inspector {
     }
 }
 
-fn main() -> io::Result<()> {
+fn main() {
     let argparse = Argparse::new("state-inspector")
         .global_setting(ArgParseSettings::DisableVersion)
         .global_setting(ArgParseSettings::VersionlessSubcommands)
@@ -430,6 +430,4 @@ fn main() -> io::Result<()> {
     } else {
         block_on(inspector.run(matches));
     }
-
-    Ok(())
 }

matrix_sdk_base/src/client.rs

@@ -495,8 +495,9 @@ impl BaseClient {
                         },
 
                         #[cfg(feature = "encryption")]
-                        AnySyncRoomEvent::Message(message) => {
+                        AnySyncRoomEvent::Message(AnySyncMessageEvent::RoomEncrypted(
-                            if let AnySyncMessageEvent::RoomEncrypted(encrypted) = message {
+                            encrypted,
+                        )) => {
                             if let Some(olm) = self.olm_machine().await {
                                 if let Ok(decrypted) =
                                     olm.decrypt_room_event(encrypted, room_id).await
@@ -504,11 +505,7 @@ impl BaseClient {
                                     match decrypted.deserialize() {
                                         Ok(decrypted) => e = decrypted,
                                         Err(e) => {
-                                                warn!(
+                                            warn!("Error deserializing a decrypted event {:?} ", e)
-                                                    "Error deserializing a decrypted event {:?} ",
-                                                    e
-                                                )
-                                            }
                                         }
                                     }
                                 }

matrix_sdk_crypto/src/verification/requests.rs

@@ -134,6 +134,7 @@ impl VerificationRequest {
         self.inner.lock().unwrap().accept()
     }
 
+    #[allow(clippy::unnecessary_wraps)]
     pub(crate) fn receive_ready(
         &self,
         sender: &UserId,