ices/93008-1.sh: fixed with no errors

=== stdout ===
warning: function is never used: `main`
 --> <anon>:6:4
  |
6 | fn main() {}
  |    ^^^^
  |
  = note: `#[warn(dead_code)]` on by default

warning: unused return value of `clone` that must be used
 --> <anon>:3:5
  |
3 |     <&mut () as Clone>::clone(&s);
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_must_use)]` on by default
  = note: cloning is often expensive and is not expected to have side effects

warning: 2 warnings emitted

=== stderr ===
==============

Author: rustbot