error: call to `std::mem::forget` with a value that does not implement `Drop`. Forgetting such a type is the same as dropping it --> $DIR/forget_non_drop.rs:13:5 | LL | forget(Foo); | ^^^^^^^^^^^ | = note: `-D clippy::forget-non-drop` implied by `-D warnings` note: argument has type `main::Foo` --> $DIR/forget_non_drop.rs:13:12 | LL | forget(Foo); | ^^^ error: call to `std::mem::forget` with a value that does not implement `Drop`. Forgetting such a type is the same as dropping it --> $DIR/forget_non_drop.rs:24:5 | LL | forget(Baz(Foo)); | ^^^^^^^^^^^^^^^^ | note: argument has type `main::Baz` --> $DIR/forget_non_drop.rs:24:12 | LL | forget(Baz(Foo)); | ^^^^^^^^ error: aborting due to 2 previous errors