ices/59311.rs: fixed with errors

=== stdout ===
=== stderr ===
error: higher-ranked subtype error
  --> /home/runner/work/glacier/glacier/ices/59311.rs:24:35
   |
24 |         let _ = rx.recv().map_err(|_| E);
   |                                   ^^^^^

error: aborting due to previous error

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

Author: rustbot