message: [benchmark] make clippy happy
  Closes:
  Approved by: bmwill
diff: @@ -70,7 +70,7 @@ mod tests {
  let now = time::Instant::now();
  // consume all elements
  - flood.into_iter().for_each(drop);
  + flood.for_each(drop);
  let elapsed = now.elapsed().as_micros();
  // Loop should finish instantly
  assert!(elapsed < 1000);
  