ices/83919.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0601]: `main` function not found in crate `83919`
  --> /home/runner/work/glacier/glacier/ices/83919.rs:1:1
   |
1  | / #![feature(type_alias_impl_trait)]
2  | |
3  | | use std::future::Future;
4  | |
...  |
25 | |     }
26 | | }
   | |_^ consider adding a `main` function to `/home/runner/work/glacier/glacier/ices/83919.rs`

error[E0277]: `{integer}` is not a future
  --> /home/runner/work/glacier/glacier/ices/83919.rs:20:9
   |
20 | /         async move {
21 | |             42
22 | |             // 42 does not impl Future and rustc does actually point out the error, but rustc also panics.
23 | |             // Putting a valid Future here works fine.
24 | |         }
   | |_________^ `{integer}` is not a future
   |
   = help: the trait `Future` is not implemented for `{integer}`
   = note: {integer} must be a future or must implement `IntoFuture` to be awaited

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0277, E0601.
For more information about an error, try `rustc --explain E0277`.
==============

Author: rustbot