implement clippy suggestions

src/channel.rs

@@ -40,10 +40,10 @@ impl<T, R> Responder<T, R> {
 
 pub fn channel<T, R>() -> (Requester<T, R>, Responder<T, R>) {
     let (requester_tx, responder_rx) = mpsc::channel();
-    return (
+    (
         Requester { tx: requester_tx },
         Responder { rx: responder_rx },
-    );
+    )
 }
 
 pub struct Request<T, R> {

src/download.rs

@@ -30,5 +30,5 @@ pub fn download_from_youtube(url: &str) -> Result<TrackInfo, DownloadError> {
         .replace('\n', "")
         + ".mp3";
 
-    Ok(TrackInfo::new(&Path::new(filename.as_str())))
+    Ok(TrackInfo::new(Path::new(filename.as_str())))
 }

src/main.rs

@@ -1,7 +1,7 @@
 use music_bot::{player::MusicPlayer, telegram};
 
 fn main() {
-    let player = MusicPlayer::new();
+    let player = MusicPlayer::build();
     let mut bot = telegram::TelegramBot::build(player);
     bot.telegram_main();
 }

src/player.rs

@@ -37,7 +37,7 @@ struct Worker {
 }
 
 fn get_source(track: TrackInfo) -> Decoder<BufReader<File>> {
-    let file = BufReader::new(File::open(&track.path).unwrap());
+    let file = BufReader::new(File::open(track.path).unwrap());
     Decoder::new(file).unwrap()
 }
 
@@ -100,7 +100,7 @@ impl Worker {
 }
 
 impl MusicPlayer {
-    pub fn new() -> MusicPlayer {
+    pub fn build() -> MusicPlayer {
         let (requester, responder) = channel::channel();
         let _worker = thread::spawn(move || Worker::build(responder).main());
         MusicPlayer { requester, _worker }

src/telegram.rs

@@ -48,7 +48,7 @@ impl TelegramBot {
                         bot.send_message(msg.chat.id, "Added to the queue.").await?;
                     },
                     Err(_) => {
-                        bot.send_message(msg.chat.id, format!("Failed to download.")).await?;
+                        bot.send_message(msg.chat.id, "Failed to download.").await?;
                     }
                 }
             }