cleanup: remove unnecessary 'mut' and '.clone()'

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

src/bin/proxmox-backup-client.rs

@@ -305,7 +305,7 @@ async fn backup_directory<P: AsRef<Path>>(
     )?;
     let mut chunk_stream = ChunkStream::new(pxar_stream, chunk_size);
 
-    let (mut tx, rx) = mpsc::channel(10); // allow to buffer 10 chunks
+    let (tx, rx) = mpsc::channel(10); // allow to buffer 10 chunks
 
     let stream = ReceiverStream::new(rx)
         .map_err(Error::from);

src/bin/proxmox-backup-proxy.rs

@@ -164,7 +164,7 @@ async fn run() -> Result<(), Error> {
 }
 
 fn accept_connections(
-    mut listener: tokio::net::TcpListener,
+    listener: tokio::net::TcpListener,
     acceptor: Arc<openssl::ssl::SslAcceptor>,
     debug: bool,
 ) -> tokio::sync::mpsc::Receiver<Result<std::pin::Pin<Box<tokio_openssl::SslStream<tokio::net::TcpStream>>>, Error>> {

src/bin/proxmox_backup_client/mount.rs

@@ -294,7 +294,7 @@ async fn mount_do(param: Value, pipe: Option<Fd>) -> Result<Value, Error> {
 
         // poll until loop file is mapped (or errors)
         select! {
-            res = session_fut => {
+            _res = session_fut => {
                 bail!("FUSE session unexpectedly ended before loop file mapping");
             },
             res = st_recv.try_next() => {