error[E0599]: the method `clone` exists for struct `Struct`, but its trait bounds were not satisfied --> $DIR/issue-69725.rs:7:32 | LL | let _ = Struct::::new().clone(); | ^^^^^ method cannot be called on `Struct` due to unsatisfied trait bounds | ::: $DIR/auxiliary/issue-69725.rs:2:1 | LL | pub struct Struct(A); | ------------------------ doesn't satisfy `Struct: Clone` | ::: $SRC_DIR/core/src/clone.rs:LL:COL | LL | fn clone(&self) -> Self; | ----- | | | the method is available for `Arc>` here | the method is available for `Rc>` here | = note: the following trait bounds were not satisfied: `A: Clone` which is required by `Struct: Clone` error: aborting due to previous error For more information about this error, try `rustc --explain E0599`.