Make use of the new context parameter in conntrack Wait

client.go

@@ -516,10 +516,15 @@ func (cl *Client) dialFirst(ctx context.Context, addr string) dialResult {
 				left++
 				go func() {
 					cte := cl.config.ConnTracker.Wait(
+						ctx,
 						conntrack.Entry{network, s.Addr().String(), addr},
 						"dial torrent client",
 						0,
 					)
+					if ctx.Err() != nil {
+						resCh <- dialResult{}
+						return
+					}
 					c, err := s.dial(ctx, addr)
 					// This is a bit optimistic, but it looks non-trivial to thread
 					// this through the proxy code. Set it now in case we close the