error: Bounds of the form `T: Drop` are useless. Use `std::mem::needs_drop` to detect if a type has drop glue. --> $DIR/drop_bounds.rs:2:11 | LL | fn foo<T: Drop>() {} | ^^^^ | = note: `#[deny(clippy::drop_bounds)]` on by default error: Bounds of the form `T: Drop` are useless. Use `std::mem::needs_drop` to detect if a type has drop glue. --> $DIR/drop_bounds.rs:5:8 | LL | T: Drop, | ^^^^ error: aborting due to 2 previous errors