ices/74018.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#74018

trait Trait {
    type Associated;
    fn into(self) -> Self::Associated;
}

impl<'a, I: Iterator<Item = i32>> Trait for (i32, I) {
    type Associated = (i32, impl Iterator<Item = i32>);
    fn into(self) -> Self::Associated { (0_i32, &[0_i32].iter()) }
}

fn main() {}

=== stdout ===
=== stderr ===
error[E0658]: `impl Trait` in type aliases is unstable
 --> /home/runner/work/glacier/glacier/ices/74018.rs:7:29
  |
7 |     type Associated = (i32, impl Iterator<Item = i32>);
  |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
  = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable

error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
 --> /home/runner/work/glacier/glacier/ices/74018.rs:6:6
  |
6 | impl<'a, I: Iterator<Item = i32>> Trait for (i32, I) {
  |      ^^ unconstrained lifetime parameter

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0207, E0658.
For more information about an error, try `rustc --explain E0207`.
==============