warning: unused import: `std::option`
  --> $DIR/bad-lint-cap3.rs:7:5
   |
LL | use std::option; //~ WARN
   | ----^^^^^^^^^^^- help: remove the whole `use` item
   |
note: lint level defined here
  --> $DIR/bad-lint-cap3.rs:4:9
   |
LL | #![deny(warnings)]
   |         ^^^^^^^^
   = note: #[warn(unused_imports)] implied by #[warn(warnings)]