error: unused variable: `field` --> $DIR/issue-54180-unused-ref-field.rs:20:22 | LL | E::Variant { ref field } => (), | ^^^^^^^^^ help: try ignoring the field: `field: _` | note: the lint level is defined here --> $DIR/issue-54180-unused-ref-field.rs:3:9 | LL | #![deny(unused)] | ^^^^^^ = note: `#[deny(unused_variables)]` implied by `#[deny(unused)]` error: unused variable: `f1` --> $DIR/issue-54180-unused-ref-field.rs:26:13 | LL | let S { ref f1 } = s; | ^^^^^^ help: try ignoring the field: `f1: _` error: unused variable: `x` --> $DIR/issue-54180-unused-ref-field.rs:32:20 | LL | Point { y, ref mut x } => y, | ^^^^^^^^^ help: try ignoring the field: `x: _` error: unused variable: `x` --> $DIR/issue-54180-unused-ref-field.rs:29:45 | LL | let _: i32 = points.iter().map(|Point { x, y }| y).sum(); | ^ help: try ignoring the field: `x: _` error: aborting due to 4 previous errors