ices/87142.sh: fixed with no errors

=== stdout ===
=== stderr ===
warning: field is never read: `link`
  --> <anon>:15:5
   |
15 |     link: Box<G::Gen>,
   |     ^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

warning: 1 warning emitted

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

Author: rustbot