error[E0568]: auto traits cannot have super traits or lifetime bounds
  --> $DIR/supertrait-auto-trait.rs:8:17
   |
LL | auto trait Magic: Copy {}
   |            -----^^^^^^ help: remove the super traits or lifetime bounds
   |            |
   |            auto trait cannot have super traits or lifetime bounds

error[E0277]: the trait bound `NoClone: Copy` is not satisfied
  --> $DIR/supertrait-auto-trait.rs:16:23
   |
LL |     let (a, b) = copy(NoClone);
   |                  ---- ^^^^^^^ the trait `Copy` is not implemented for `NoClone`
   |                  |
   |                  required by a bound introduced by this call
   |
note: required for `NoClone` to implement `Magic`
  --> $DIR/supertrait-auto-trait.rs:8:12
   |
LL | auto trait Magic: Copy {}
   |            ^^^^^
note: required by a bound in `copy`
  --> $DIR/supertrait-auto-trait.rs:10:12
   |
LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
   |            ^^^^^ required by this bound in `copy`
help: consider annotating `NoClone` with `#[derive(Copy)]`
   |
LL | #[derive(Copy)]
   |

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0277, E0568.
For more information about an error, try `rustc --explain E0277`.