error[E0204]: the trait `Copy` cannot be implemented for this type --> $DIR/copy-is-not-modulo-regions.rs:13:21 | LL | struct Bar<'lt>(Foo<'lt>); | -------- this field does not implement `Copy` ... LL | impl<'any> Copy for Bar<'any> {} | ^^^^^^^^^ | note: the `Copy` impl for `Foo<'any>` requires that `'any: 'static` --> $DIR/copy-is-not-modulo-regions.rs:10:17 | LL | struct Bar<'lt>(Foo<'lt>); | ^^^^^^^^ help: consider restricting type parameter `'any` | LL | impl<'any: 'static> Copy for Bar<'any> {} | +++++++++ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0204`.