ices/83693.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#83693

#![feature(fn_traits)]
fn call() {
    <x as Fn(&usize)>::call
}

=== stdout ===
=== stderr ===
error[E0412]: cannot find type `x` in this scope
 --> /home/runner/work/glacier/glacier/ices/83693.rs:3:6
  |
3 |     <x as Fn(&usize)>::call
  |      ^ not found in this scope

error[E0601]: `main` function not found in crate `83693`
 --> /home/runner/work/glacier/glacier/ices/83693.rs:1:1
  |
1 | / #![feature(fn_traits)]
2 | | fn call() {
3 | |     <x as Fn(&usize)>::call
4 | | }
  | |_^ consider adding a `main` function to `/home/runner/work/glacier/glacier/ices/83693.rs`

error[E0229]: associated type bindings are not allowed here
 --> /home/runner/work/glacier/glacier/ices/83693.rs:3:11
  |
3 |     <x as Fn(&usize)>::call
  |           ^^^^^^^^^^ associated type not allowed here

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0229, E0412, E0601.
For more information about an error, try `rustc --explain E0229`.
==============