Merge branch 'tcpsteam_send' into 'main'

tor-rtcompat: Require that TcpStream be Send

See merge request tpo/core/arti!675

crates/tor-rtcompat/semver.md

@@ -0,0 +1 @@
+BREAKING: We now require that the TcpStream type returned by listeners is Send.

crates/tor-rtcompat/src/impls/async_std.rs

@@ -51,7 +51,7 @@ mod net {
         Ready(TcpListener),
         /// We've called `accept` on the listener, and we're waiting
         /// for a future to complete.
-        Accepting(Pin<Box<dyn Future<Output = FResult>>>),
+        Accepting(Pin<Box<dyn Future<Output = FResult> + Send>>),
     }
     impl IncomingStreams {
         /// Create a new IncomingStreams from a TcpListener.

crates/tor-rtcompat/src/traits.rs

@@ -172,7 +172,7 @@ pub trait TcpListener {
     type TcpStream: AsyncRead + AsyncWrite + Send + Sync + Unpin + 'static;
 
     /// The type of [`stream::Stream`] returned by [`Self::incoming()`].
-    type Incoming: stream::Stream<Item = IoResult<(Self::TcpStream, SocketAddr)>> + Unpin;
+    type Incoming: stream::Stream<Item = IoResult<(Self::TcpStream, SocketAddr)>> + Send + Unpin;
 
     /// Wait for an incoming stream; return it along with its address.
     async fn accept(&self) -> IoResult<(Self::TcpStream, SocketAddr)>;