error: external crate `bar` unused in `deny_attr`: remove the dependency or add `use bar as _;` --> $DIR/deny-attr.rs:6:1 | LL | #![deny(unused_crate_dependencies)] | ^ | note: the lint level is defined here --> $DIR/deny-attr.rs:6:9 | LL | #![deny(unused_crate_dependencies)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 1 previous error