| warning: extern crate `bar` is unused in crate `warn_cmdline` | |
| --> $DIR/warn-cmdline.rs:8:1 | |
| | | |
| LL | fn main() {} | |
| | ^ | |
| | | |
| = help: remove the dependency or add `use bar as _;` to the crate root | |
| = note: requested on the command line with `-W unused-crate-dependencies` | |
| warning: 1 warning emitted | |