message: Remove unneeded NamedPipe::connect() calls
  In the way the code was set up, these calls would always do nothing
  and return io::ErrorKind::WouldBlock, so they can be safely removed.
diff: @@ -81,20 +81,6 @@ pub fn new<C>(config: &Config<C>, size: &SizeInfo, _window_id: Option<usize>) ->
  );
  };
  - if let Some(err) = conout_pipe.connect().err() {
  - if err.kind() != io::ErrorKind::WouldBlock {
  - panic!(err);
  - }
  - }
  - assert!(conout_pipe.take_error().unwrap().is_none());
  -
  - if let Some(err) = conin_pipe.connect().err() {
  - if err.kind() != io::ErrorKind::WouldBlock {
  - panic!(err);
  - }
  - }
  - assert!(conin_pipe.take_error().unwrap().is_none());
  -
  agent.spawn(&spawnconfig).unwrap();
  let child_watcher = ChildExitWatcher::new(agent.raw_handle()).unwrap();
  