error[E0204]: the trait `Copy` may not be implemented for this type --> $DIR/missing-bound-in-manual-copy-impl.rs:6:18 | LL | struct Wrapper(T); | - this field does not implement `Copy` LL | LL | impl Copy for Wrapper {} | ^^^^^^^^^^ | help: consider restricting type parameter `S` | LL | impl Copy for Wrapper {} | ++++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0204`.