error: function `dead` is never used
  --> $DIR/test-warns-dead-code.rs:5:4
   |
LL | fn dead() {}
   |    ^^^^
   |
note: the lint level is defined here
  --> $DIR/test-warns-dead-code.rs:3:9
   |
LL | #![deny(dead_code)]
   |         ^^^^^^^^^

error: aborting due to previous error

