error[E0277]: the trait bound `NonClone: Clone` is not satisfied in `{closure@$DIR/closure-clone-requires-captured-clone.rs:13:19: 13:26}` --> $DIR/closure-clone-requires-captured-clone.rs:17:13 | LL | let closure = move || { | ------- within this `{closure@$DIR/closure-clone-requires-captured-clone.rs:13:19: 13:26}` ... LL | closure.clone(); | ^^^^^ within `{closure@$DIR/closure-clone-requires-captured-clone.rs:13:19: 13:26}`, the trait `Clone` is not implemented for `NonClone` | note: required because it's used within this closure --> $DIR/closure-clone-requires-captured-clone.rs:13:19 | LL | let closure = move || { | ^^^^^^^ help: consider annotating `NonClone` with `#[derive(Clone)]` | LL + #[derive(Clone)] LL | struct NonClone(i32); | error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0277`.