error: unused variable: `a`
  --> $DIR/naked-functions-unused.rs:15:32
   |
LL |     pub extern "C" fn function(a: usize, b: usize) -> usize {
   |                                ^ help: if this is intentional, prefix it with an underscore: `_a`
   |
note: the lint level is defined here
  --> $DIR/naked-functions-unused.rs:4:9
   |
LL | #![deny(unused)]
   |         ^^^^^^
   = note: `#[deny(unused_variables)]` implied by `#[deny(unused)]`

error: unused variable: `b`
  --> $DIR/naked-functions-unused.rs:15:42
   |
LL |     pub extern "C" fn function(a: usize, b: usize) -> usize {
   |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`

error: unused variable: `a`
  --> $DIR/naked-functions-unused.rs:24:38
   |
LL |         pub extern "C" fn associated(a: usize, b: usize) -> usize {
   |                                      ^ help: if this is intentional, prefix it with an underscore: `_a`

error: unused variable: `b`
  --> $DIR/naked-functions-unused.rs:24:48
   |
LL |         pub extern "C" fn associated(a: usize, b: usize) -> usize {
   |                                                ^ help: if this is intentional, prefix it with an underscore: `_b`

error: unused variable: `a`
  --> $DIR/naked-functions-unused.rs:30:41
   |
LL |         pub extern "C" fn method(&self, a: usize, b: usize) -> usize {
   |                                         ^ help: if this is intentional, prefix it with an underscore: `_a`

error: unused variable: `b`
  --> $DIR/naked-functions-unused.rs:30:51
   |
LL |         pub extern "C" fn method(&self, a: usize, b: usize) -> usize {
   |                                                   ^ help: if this is intentional, prefix it with an underscore: `_b`

error: unused variable: `a`
  --> $DIR/naked-functions-unused.rs:38:40
   |
LL |         extern "C" fn trait_associated(a: usize, b: usize) -> usize {
   |                                        ^ help: if this is intentional, prefix it with an underscore: `_a`

error: unused variable: `b`
  --> $DIR/naked-functions-unused.rs:38:50
   |
LL |         extern "C" fn trait_associated(a: usize, b: usize) -> usize {
   |                                                  ^ help: if this is intentional, prefix it with an underscore: `_b`

error: unused variable: `a`
  --> $DIR/naked-functions-unused.rs:44:43
   |
LL |         extern "C" fn trait_method(&self, a: usize, b: usize) -> usize {
   |                                           ^ help: if this is intentional, prefix it with an underscore: `_a`

error: unused variable: `b`
  --> $DIR/naked-functions-unused.rs:44:53
   |
LL |         extern "C" fn trait_method(&self, a: usize, b: usize) -> usize {
   |                                                     ^ help: if this is intentional, prefix it with an underscore: `_b`

error: aborting due to 10 previous errors