ices/71546-2.rs: fixed with errors

=== stdout ===
=== stderr ===
error: higher-ranked lifetime error
 --> /home/runner/work/glacier/glacier/ices/71546-2.rs:9:14
  |
9 |         .map(|elem| elem.to_string())
  |              ^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: could not prove for<'a> <&'a V as IntoIterator>::Item: 'static

error: aborting due to previous error

==============

Author: rustbot