error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `i32` --> $DIR/coherence-impls-copy.rs:5:1 | LL | impl Copy for i32 {} | ^^^^^^^^^^^^^^^^^ | = note: conflicting implementation in crate `core`: - impl Copy for i32; error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `&NotSync` --> $DIR/coherence-impls-copy.rs:29:1 | LL | impl Copy for &'static NotSync {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: conflicting implementation in crate `core`: - impl Copy for &T where T: ?Sized; error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `&[NotSync]` --> $DIR/coherence-impls-copy.rs:34:1 | LL | impl Copy for &'static [NotSync] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: conflicting implementation in crate `core`: - impl Copy for &T where T: ?Sized; error[E0206]: the trait `Copy` may not be implemented for this type --> $DIR/coherence-impls-copy.rs:22:15 | LL | impl Copy for &'static mut MyType {} | ^^^^^^^^^^^^^^^^^^^ type is not a structure or enumeration error[E0206]: the trait `Copy` may not be implemented for this type --> $DIR/coherence-impls-copy.rs:26:15 | LL | impl Copy for (MyType, MyType) {} | ^^^^^^^^^^^^^^^^ type is not a structure or enumeration error[E0206]: the trait `Copy` may not be implemented for this type --> $DIR/coherence-impls-copy.rs:31:15 | LL | impl Copy for [MyType] {} | ^^^^^^^^ type is not a structure or enumeration error[E0117]: only traits defined in the current crate can be implemented for arbitrary types --> $DIR/coherence-impls-copy.rs:5:1 | LL | impl Copy for i32 {} | ^^^^^^^^^^^^^^--- | | | | | `i32` is not defined in the current crate | impl doesn't use only types from inside the current crate | = note: define and implement a trait or new type instead error[E0117]: only traits defined in the current crate can be implemented for arbitrary types --> $DIR/coherence-impls-copy.rs:26:1 | LL | impl Copy for (MyType, MyType) {} | ^^^^^^^^^^^^^^---------------- | | | | | this is not defined in the current crate because tuples are always foreign | impl doesn't use only types from inside the current crate | = note: define and implement a trait or new type instead error[E0117]: only traits defined in the current crate can be implemented for arbitrary types --> $DIR/coherence-impls-copy.rs:31:1 | LL | impl Copy for [MyType] {} | ^^^^^^^^^^^^^^-------- | | | | | this is not defined in the current crate because slices are always foreign | impl doesn't use only types from inside the current crate | = note: define and implement a trait or new type instead error[E0117]: only traits defined in the current crate can be implemented for arbitrary types --> $DIR/coherence-impls-copy.rs:34:1 | LL | impl Copy for &'static [NotSync] {} | ^^^^^^^^^^^^^^------------------ | | | | | this is not defined in the current crate because slices are always foreign | impl doesn't use only types from inside the current crate | = note: define and implement a trait or new type instead error: aborting due to 10 previous errors Some errors have detailed explanations: E0117, E0119, E0206. For more information about an error, try `rustc --explain E0117`.