#![warn(rust_2018_idioms)] #![cfg(feature = "full")] use tokio::net::TcpListener; use std::convert::TryFrom; use std::net; #[test] #[should_panic] fn no_runtime_panics_binding_net_tcp_listener() { let listener = net::TcpListener::bind("127.0.0.1:0").expect("failed to bind listener"); let _ = TcpListener::try_from(listener); }