silence warnings: unused proto field, dead upstream_id field

gatunad/src/main.rs

@@ -147,7 +147,7 @@ async fn handle_frame(
             };
             let _ = tx.send((src, manifest.encode())).await;
         }
-        Frame::Open { upstream_id, proto } => {
+        Frame::Open { upstream_id, proto: _ } => {
             let upstream = table.get(upstream_id);
             match upstream {
                 Some(upstream) => {

gatunad/src/session.rs

@@ -129,6 +129,7 @@ impl RecvState {
 }
 
 #[derive(Clone)]
+#[allow(dead_code)]
 pub struct SessionHandle {
     pub upstream_id: u8,
     pub proto: u8,