src/tools/clippy/tests/ui/never_loop_iterator_reduction.stderr

error: this iterator reduction never loops (closure always diverges)
  --> tests/ui/never_loop_iterator_reduction.rs:7:5
   |
LL | /     [0, 1].into_iter().for_each(|x| {
LL | |
LL | |
LL | |         let _ = x;
LL | |         panic!("boom");
LL | |     });
   | |______^
   |
   = note: if you only need one element, `if let Some(x) = iter.next()` is clearer
   = note: `-D clippy::never-loop` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::never_loop)]`
help: consider this pattern
   |
LL -     [0, 1].into_iter().for_each(|x| {
LL -
LL - 
LL -         let _ = x;
LL -         panic!("boom");
LL -     });
LL +     if let Some(x) = [0, 1].into_iter().next() { ... };
   |

error: aborting due to 1 previous error