1 error[E0107]: missing generics for associated type `StreamingIterator::Item`
2 --> $DIR/issue-81862.rs:5:40
4 LL | fn next(&mut self) -> Option<Self::Item>;
5 | ^^^^ expected 1 lifetime argument
7 note: associated type defined here, with 1 lifetime parameter: `'a`
8 --> $DIR/issue-81862.rs:4:10
12 help: add missing lifetime argument
14 LL | fn next(&mut self) -> Option<Self::Item<'_>>;
17 error: aborting due to previous error
19 For more information about this error, try `rustc --explain E0107`.