tests/ui/lint/force-warn/allowed-warn-by-default-lint.stderr

warning: function `dead_function` is never used
  --> $DIR/allowed-warn-by-default-lint.rs:8:4
   |
LL | fn dead_function() {}
   |    ^^^^^^^^^^^^^
   |
   = note: requested on the command line with `--force-warn dead-code`

warning: 1 warning emitted