error: the inner value of this ManuallyDrop will not be dropped --> $DIR/undropped_manually_drops.rs:14:5 | LL | drop(std::mem::ManuallyDrop::new(S)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: to drop a `ManuallyDrop`, use std::mem::ManuallyDrop::drop = note: `-D clippy::undropped-manually-drops` implied by `-D warnings` error: the inner value of this ManuallyDrop will not be dropped --> $DIR/undropped_manually_drops.rs:15:5 | LL | drop(manual1); | ^^^^^^^^^^^^^ | = help: to drop a `ManuallyDrop`, use std::mem::ManuallyDrop::drop error: aborting due to 2 previous errors