ices/84073.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0282]: type annotations needed for `RaceBuilder<T, Never<T>>`
  --> /home/runner/work/glacier/glacier/ices/84073.rs:32:16
   |
32 |     Race::new(|race| race.when());
   |                ^^^^ consider giving this closure parameter the explicit type `RaceBuilder<T, Never<T>>`, where the type parameter `T` is specified

error: aborting due to previous error

For more information about this error, try `rustc --explain E0282`.
==============