| error[E0204]: the trait `Copy` cannot be implemented for this type | |
| --> $DIR/range_traits-2.rs:4:8 | |
| | | |
| LL | #[derive(Copy, Clone)] | |
| | ---- in this derive macro expansion | |
| LL | struct R(Range<usize>); | |
| | ^ ------------ this field does not implement `Copy` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0204`. |