error: calls to `std::mem::drop` with `std::mem::ManuallyDrop` instead of the inner value does nothing
  --> $DIR/undropped_manually_drops.rs:10:5
   |
LL |     drop(std::mem::ManuallyDrop::new(S));
   |     ^^^^^------------------------------^
   |          |
   |          argument has type `ManuallyDrop<S>`
   |
   = note: `#[deny(undropped_manually_drops)]` on by default
help: use `std::mem::ManuallyDrop::into_inner` to get the inner value
   |
LL |     drop(std::mem::ManuallyDrop::into_inner(std::mem::ManuallyDrop::new(S)));
   |          +++++++++++++++++++++++++++++++++++                              +

error: calls to `std::mem::drop` with `std::mem::ManuallyDrop` instead of the inner value does nothing
  --> $DIR/undropped_manually_drops.rs:11:5
   |
LL |     drop(manual1);
   |     ^^^^^-------^
   |          |
   |          argument has type `ManuallyDrop<S>`
   |
help: use `std::mem::ManuallyDrop::into_inner` to get the inner value
   |
LL |     drop(std::mem::ManuallyDrop::into_inner(manual1));
   |          +++++++++++++++++++++++++++++++++++       +

error: calls to `std::mem::drop` with `std::mem::ManuallyDrop` instead of the inner value does nothing
  --> $DIR/undropped_manually_drops.rs:12:5
   |
LL |     drop({ manual3 });
   |     ^^^^^-----------^
   |          |
   |          argument has type `ManuallyDrop<S>`
   |
help: use `std::mem::ManuallyDrop::into_inner` to get the inner value
   |
LL |     drop(std::mem::ManuallyDrop::into_inner({ manual3 }));
   |          +++++++++++++++++++++++++++++++++++           +

error: aborting due to 3 previous errors