error: unnecessary use of `splitn` --> $DIR/ice-8250.rs:2:13 | LL | let _ = s[1..].splitn(2, '.').next()?; | ^^^^^^^^^^^^^^^^^^^^^ help: try: `s[1..].split('.')` | = note: `-D clippy::needless-splitn` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::needless_splitn)]` error: aborting due to 1 previous error