error[E0567]: auto traits cannot have generic parameters
  --> $DIR/auto-trait-validation.rs:3:19
   |
LL | auto trait Generic<T> {}
   |            -------^^^ help: remove the parameters
   |            |
   |            auto trait cannot have generic parameters

error[E0568]: auto traits cannot have super traits
  --> $DIR/auto-trait-validation.rs:5:20
   |
LL | auto trait Bound : Copy {}
   |            -----   ^^^^ help: remove the super traits
   |            |
   |            auto trait cannot have super traits

error[E0380]: auto traits cannot have methods or associated items
  --> $DIR/auto-trait-validation.rs:7:25
   |
LL | auto trait MyTrait { fn foo() {} }
   |            -------      ^^^
   |            |
   |            auto trait cannot have items

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0380, E0567, E0568.
For more information about an error, try `rustc --explain E0380`.