error: called `filter(..).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(..)` instead. --> $DIR/methods_fixable.rs:10:13 | LL | let _ = v.iter().filter(|&x| *x < 0).next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `v.iter().find(|&x| *x < 0)` | = note: `-D clippy::filter-next` implied by `-D warnings` error: aborting due to previous error