error[E0184]: the trait `Copy` may not be implemented for this type; the type has a destructor --> $DIR/exclusive-drop-and-copy.rs:3:10 | LL | #[derive(Copy, Clone)] //~ ERROR the trait `Copy` may not be implemented | ^^^^ Copy not allowed on types with destructors error[E0184]: the trait `Copy` may not be implemented for this type; the type has a destructor --> $DIR/exclusive-drop-and-copy.rs:10:10 | LL | #[derive(Copy, Clone)] //~ ERROR the trait `Copy` may not be implemented | ^^^^ Copy not allowed on types with destructors error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0184`.