error[E0277]: the trait bound `T: Copy` is not satisfied --> $DIR/move-out-of-non-copy.rs:10:13 | LL | fn id(x: unsafe<> T) -> T { | ^^^^^^^^^^ the trait `Copy` is not implemented for `T` | help: consider restricting type parameter `T` with trait `Copy` | LL | fn id(x: unsafe<> T) -> T { | +++++++++++++++++++ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0277`.