message: Work around E0133 warning
diff: @@ -356,11 +356,10 @@ macro_rules! STRUCT {
  ($(#[$attrs:meta])* struct $name:ident {
  $($field:ident: $ftype:ty,)+
  }) => (
  - #[repr(C)] $(#[$attrs])*
  + #[repr(C)] #[derive(Copy)] $(#[$attrs])*
  pub struct $name {
  $(pub $field: $ftype,)+
  }
  - impl Copy for $name {}
  impl Clone for $name {
  #[inline]
  fn clone(&self) -> $name { *self }
  