error: unused macro definition
  --> $DIR/unused-macro.rs:5:1
   |
LL | / macro unused { //~ ERROR: unused macro definition
LL | |     () => {}
LL | | }
   | |_^
   |
note: lint level defined here
  --> $DIR/unused-macro.rs:2:9
   |
LL | #![deny(unused_macros)]
   |         ^^^^^^^^^^^^^

error: unused macro definition
  --> $DIR/unused-macro.rs:15:5
   |
LL | /     macro unused { //~ ERROR: unused macro definition
LL | |         () => {}
LL | |     }
   | |_____^
   |
note: lint level defined here
  --> $DIR/unused-macro.rs:14:12
   |
LL |     #[deny(unused_macros)]
   |            ^^^^^^^^^^^^^

error: unused macro definition
  --> $DIR/unused-macro.rs:21:5
   |
LL | /     pub(crate) macro unused { //~ ERROR: unused macro definition
LL | |         () => {}
LL | |     }
   | |_____^

error: aborting due to 3 previous errors