ices/74918.rs: fixed with errors

=== stdout ===
=== stderr ===
error[E0106]: missing lifetime specifier
 --> /home/runner/work/glacier/glacier/ices/74918.rs:6:31
  |
6 |     type Item = IteratorChunk<T, S>;
  |                               ^ expected named lifetime parameter
  |
help: consider introducing a named lifetime parameter
  |
6 |     type Item<'a> = IteratorChunk<<'a>T, S>;
  |              ^^^^                 ^^^^

error: `impl` item signature doesn't match `trait` item signature
   --> /home/runner/work/glacier/glacier/ices/74918.rs:8:5
    |
8   |     fn next(&mut self) -> Option<IteratorChunk<T, S>> {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&mut ChunkingIterator<T, S>) -> std::option::Option<IteratorChunk<'_, T, S>>`
    |
    = note: expected `fn(&mut ChunkingIterator<T, S>) -> std::option::Option<IteratorChunk<'static, _, _>>`
               found `fn(&mut ChunkingIterator<T, S>) -> std::option::Option<IteratorChunk<'_, _, _>>`
    = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
    = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0106`.
==============

Author: rustbot