ices/102219.rs: fixed with no errors

=== stdout ===
=== stderr ===
warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
 --> /home/runner/work/glacier/glacier/ices/102219.rs:2:12
  |
2 | #![feature(async_fn_in_trait)]
  |            ^^^^^^^^^^^^^^^^^
  |
  = note: see issue #91611 <rust-lang/rust#91611> for more information
  = note: `#[warn(incomplete_features)]` on by default

warning: 1 warning emitted

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