| error: implementation of `Stream` is not general enough |
| --> $DIR/issue-30786.rs:108:22 |
| | |
| LL | / pub trait Stream { |
| LL | | type Item; |
| LL | | fn next(self) -> Option<Self::Item>; |
| LL | | } |
| | |_- trait `Stream` defined here |
| ... |
| LL | let map = source.map(|x: &_| x); |
| | ^^^ implementation of `Stream` is not general enough |
| | |
| = note: `Stream` would have to be implemented for the type `&'0 mut Map<Repeat, [closure@$DIR/issue-30786.rs:108:26: 108:35]>`, for any lifetime `'0`... |
| = note: ...but `Stream` is actually implemented for the type `&'1 mut Map<Repeat, [closure@$DIR/issue-30786.rs:108:26: 108:35]>`, for some specific lifetime `'1` |
| |
| error: aborting due to previous error |
| |