Rollup merge of rust-lang#67308 - dtolnay:fast_rebind, r=alexcrichton

Delete flaky test net::tcp::tests::fast_rebind

This test is unreliable for at least 3 users on two platforms: see rust-lang#57509 and rust-lang#51006. It was added 5 years ago in rust-lang#22015. Do we know whether this is testing something important that would indicate a bug in our implementation, or if it's fine to remove?

r? @sfackler @alexcrichton because this somewhat resembles rust-lang#59018

Closes rust-lang#57509. Closes rust-lang#51006.

Author: Centril

src/libstd/net/tcp.rs

@@ -1312,21 +1312,6 @@ mod tests {
         })
     }
 
-    #[test]
-    fn fast_rebind() {
-        each_ip(&mut |addr| {
-            let acceptor = t!(TcpListener::bind(&addr));
-
-            let _t = thread::spawn(move || {
-                t!(TcpStream::connect(&addr));
-            });
-
-            t!(acceptor.accept());
-            drop(acceptor);
-            t!(TcpListener::bind(&addr));
-        });
-    }
-
     #[test]
     fn tcp_clone_smoke() {
         each_ip(&mut |addr| {