error[E0367]: `Drop` impl requires `'a: 'c` but the struct it is implemented for does not
  --> $DIR/transitive-outlives.rs:18:1
   |
LL | / impl<'a, 'b, 'c> Drop for DropMe<'a, 'b, 'c>
LL | |
LL | | where
LL | |     'a: 'c,
   | |___________^
   |
note: the implementor must specify the same requirement
  --> $DIR/transitive-outlives.rs:7:1
   |
LL | struct DropMe<'a, 'b: 'a, 'c: 'b>(PhantomData<&'a ()>, PhantomData<&'b ()>, PhantomData<&'c ()>);
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0367`.