warning: unused import: `std::option` --> $DIR/bad-lint-cap3.rs:7:5 | LL | use std::option; | ^^^^^^^^^^^ | note: lint level defined here --> $DIR/bad-lint-cap3.rs:5:9 | LL | #![deny(warnings)] | ^^^^^^^^ = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`