error: this loop could be written as a `while let` loop --> $DIR/ice-360.rs:5:5 | LL | / loop { LL | | let _ = match iter.next() { LL | | Some(ele) => ele, LL | | None => break, LL | | }; LL | | loop {} LL | | } | |_____^ help: try: `while let Some(ele) = iter.next() { .. }` | = note: `-D clippy::while-let-loop` implied by `-D warnings` error: empty `loop {}` wastes CPU cycles --> $DIR/ice-360.rs:10:9 | LL | loop {} | ^^^^^^^ | = note: `-D clippy::empty-loop` implied by `-D warnings` = help: You should either use `panic!()` or add `std::thread::sleep(..);` to the loop body. error: aborting due to 2 previous errors