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)] | ^^^^ Copy not allowed on types with destructors | = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) 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)] | ^^^^ Copy not allowed on types with destructors | = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0184`.