error[E0206]: the trait `Copy` may not be implemented for this type --> $DIR/E0206.rs:13:15 | LL | impl Copy for Foo { } | ^^^ type is not a structure or enumeration error[E0206]: the trait `Copy` may not be implemented for this type --> $DIR/E0206.rs:20:15 | LL | impl Copy for &'static mut Bar { } | ^^^^^^^^^^^^^^^^ type is not a structure or enumeration error[E0117]: only traits defined in the current crate can be implemented for arbitrary types --> $DIR/E0206.rs:13:1 | LL | impl Copy for Foo { } | ^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate | = note: the impl does not reference any types defined in this crate = note: define and implement a trait or new type instead error: aborting due to 3 previous errors Some errors occurred: E0117, E0206. For more information about an error, try `rustc --explain E0117`.