ices/94680.rs: fixed with no errors

=== stdout ===
=== stderr ===
warning: type alias is never used: `T`
 --> /home/runner/work/glacier/glacier/ices/94680.rs:3:4
  |
3 |    type T = ();
  |    ^^^^^^^^^^^^
  |
  = note: `#[warn(dead_code)]` on by default

warning: function is never used: `cloneit`
 --> /home/runner/work/glacier/glacier/ices/94680.rs:5:13
  |
5 |      pub fn cloneit (it: &'_ mut T) -> (&'_ mut T, &'_ mut T)
  |             ^^^^^^^

warning: 2 warnings emitted

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

Author: rustbot