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

[github-actions]

Issue: rust-lang/rust#93008

#!/usr/bin/env bash

rustc --crate-type lib -Zmir-opt-level=3 - 2>&1 << EOF

pub fn foo<'a, T>(s: &'a mut ()) where &'a mut (): Clone {
    <&mut () as Clone>::clone(&s);
}

fn main() {}

EOF

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