message: Fix clippy warning.
diff: @@ -86,7 +86,7 @@ pub fn line_comparison(
  // values or throughputs and that value is sensible (ie. not a mix of bytes and elements
  // or whatnot)
  for (key, group) in &all_curves
  - .into_iter()
  + .iter()
  .group_by(|&&&(ref id, _)| &id.function_id)
  {
  let mut tuples: Vec<_> = group
  