message: Implement traits for NoTls
  Closes
diff: @@ -71,6 +71,7 @@ pub trait TlsConnect<S> {
  /// A `MakeTlsConnect` and `TlsConnect` implementation which simply returns an error.
  ///
  /// This can be used when `sslmode` is `none` or `prefer`.
  +#[derive(Debug, Copy, Clone)]
  pub struct NoTls;
  #[cfg(feature = "runtime")]
  