error: `#[inline]` is ignored on function prototypes
  --> $DIR/warn-unused-inline-on-fn-prototypes.rs:4:5
   |
LL |     #[inline]
   |     ^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/warn-unused-inline-on-fn-prototypes.rs:1:9
   |
LL | #![deny(unused_attributes)]
   |         ^^^^^^^^^^^^^^^^^

error: `#[inline]` is ignored on function prototypes
  --> $DIR/warn-unused-inline-on-fn-prototypes.rs:9:5
   |
LL |     #[inline]
   |     ^^^^^^^^^

error: aborting due to 2 previous errors