error: call to `std::mem::drop` with a value that does not implement `Drop`. Dropping such a type only extends its contained lifetimes --> $DIR/drop_non_drop.rs:22:5 | LL | drop(Foo); | ^^^^^^^^^ | note: argument has type `main::Foo` --> $DIR/drop_non_drop.rs:22:10 | LL | drop(Foo); | ^^^ = note: `-D clippy::drop-non-drop` implied by `-D warnings` error: call to `std::mem::drop` with a value that does not implement `Drop`. Dropping such a type only extends its contained lifetimes --> $DIR/drop_non_drop.rs:37:5 | LL | drop(Baz(Foo)); | ^^^^^^^^^^^^^^ | note: argument has type `main::Baz` --> $DIR/drop_non_drop.rs:37:10 | LL | drop(Baz(Foo)); | ^^^^^^^^ error: aborting due to 2 previous errors