error: unreachable statement
  --> $DIR/lint-attr-non-item-node.rs:7:9
   |
LL |         break;
   |         ----- any code following this expression is unreachable
LL |         "unreachable";
   |         ^^^^^^^^^^^^^^ unreachable statement
   |
note: the lint level is defined here
  --> $DIR/lint-attr-non-item-node.rs:4:12
   |
LL |     #[deny(unreachable_code)]
   |            ^^^^^^^^^^^^^^^^

error: aborting due to 1 previous error