ices/83474.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0658]: language items are subject to change
 --> /home/runner/work/glacier/glacier/ices/83474.rs:1:1
  |
1 | #[lang = "owned_box"]
  | ^^^^^^^^^^^^^^^^^^^^^
  |
  = help: add `#![feature(lang_items)]` to the crate attributes to enable

error[E0718]: `owned_box` language item must be applied to a struct with at least 1 generic argument
 --> /home/runner/work/glacier/glacier/ices/83474.rs:1:1
  |
1 | #[lang = "owned_box"]
  | ^^^^^^^^^^^^^^^^^^^^^
2 | struct Foo;
  |           - this struct has 0 generic arguments

error[E0308]: mismatched types
 --> /home/runner/work/glacier/glacier/ices/83474.rs:4:5
  |
3 | fn main() {
  |           - expected `()` because of default return type
4 |     Foo
  |     ^^^ expected `()`, found struct `Foo`

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0308, E0658, E0718.
For more information about an error, try `rustc --explain E0308`.
==============

Author: rustbot