ices/89022-1.rs: fixed with no errors

=== stdout ===
=== stderr ===
warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes
 --> /home/runner/work/glacier/glacier/ices/89022-1.rs:1:12
  |
1 | #![feature(adt_const_params)]
  |            ^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(incomplete_features)]` on by default
  = note: see issue #44580 <rust-lang/rust#44580> for more information

warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
 --> /home/runner/work/glacier/glacier/ices/89022-1.rs:2:12
  |
2 | #![feature(generic_const_exprs)]
  |            ^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #76560 <rust-lang/rust#76560> for more information

warning: unused variable: `map`
   --> /home/runner/work/glacier/glacier/ices/89022-1.rs:253:9
    |
253 |     let map: RestrictedStringMap<KeyCons<KeyNil, "k1">> = map.remove_key::<_, "k2">();
    |         ^^^ help: if this is intentional, prefix it with an underscore: `_map`
    |
    = note: `#[warn(unused_variables)]` on by default

warning: variable does not need to be mutable
   --> /home/runner/work/glacier/glacier/ices/89022-1.rs:251:9
    |
251 |     let mut map: RestrictedStringMap<KeyCons<KeyCons<KeyNil, "k1">, "k2">> =
    |         ----^^^
    |         |
    |         help: remove this `mut`
    |
    = note: `#[warn(unused_mut)]` on by default

warning: private type `fn() -> bool {contains_key_helper_helper::<KEY_ID, K>}` in public interface (error E0446)
   --> /home/runner/work/glacier/glacier/ices/89022-1.rs:153:1
    |
153 | / impl<Tail, const KEY_ID: &'static str, const K: &'static str> ContainsKey<K>
154 | |     for KeyCons<Tail, KEY_ID>
155 | | where
156 | |     Tail: KeySchema,
157 | |     Self: ContainsKeyHelper<{ contains_key_helper_helper::<KEY_ID, K>() }, K>,
158 | | {
159 | | }
    | |_^
    |
    = note: `#[warn(private_in_public)]` on by default
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #34537 <rust-lang/rust#34537>

warning: function is never used: `foo`
   --> /home/runner/work/glacier/glacier/ices/89022-1.rs:249:4
    |
249 | fn foo() {
    |    ^^^
    |
    = note: `#[warn(dead_code)]` on by default

warning: 6 warnings emitted

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

Author: rustbot