Commit 9ef6e2199c introduced a check to
ensure that Clippy doesn't consider a lifetime present in an explicit
self type as being the default for an elided output lifetime. For
example, elision did not work in the case like:
```rust
fn func(self: &Rc<Self>, &str) -> &str { … }
```
Since Rust 1.81.0, the lifetime in the self type is now considered
the default for elision. Elision should then be suggested when
appropriate.
8b7cfc75dd