error: the loop variable `i` is only used to index `ns`. --> $DIR/needless_range_loop.rs:18:14 | 18 | for i in 3..10 { | ^^^^^ | = note: `-D clippy::needless-range-loop` implied by `-D warnings` help: consider using an iterator | 18 | for in ns.iter().take(10).skip(3) { | ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: the loop variable `i` is only used to index `ms`. --> $DIR/needless_range_loop.rs:39:14 | 39 | for i in 0..ms.len() { | ^^^^^^^^^^^ help: consider using an iterator | 39 | for in &mut ms { | ^^^^^^ ^^^^^^^ error: the loop variable `i` is only used to index `ms`. --> $DIR/needless_range_loop.rs:45:14 | 45 | for i in 0..ms.len() { | ^^^^^^^^^^^ help: consider using an iterator | 45 | for in &mut ms { | ^^^^^^ ^^^^^^^ error: aborting due to 3 previous errors