message: added sized a
diff: @@ -5,7 +5,7 @@ use std::net::TcpStream;
  #[cfg(feature = "ssl")]
  use openssl::ssl::{SslStream, SslConnector,HandshakeError};
  -pub trait CDRSTransport{
  +pub trait CDRSTransport: Sized{
  fn try_clone(&self) -> io::Result<Self>;
  fn close(&mut self, close: net::Shutdown) -> io::Result<()>;
  