1 error: implementation of `Trait` is not general enough
2 --> $DIR/issue-57362-1.rs:20:7
7 | |_- trait `Trait` defined here
10 | ^ implementation of `Trait` is not general enough
12 = note: `Trait` would have to be implemented for the type `fn(&'0 u8)`, for some specific lifetime `'0`...
13 = note: ...but `Trait` is actually implemented for the type `for<'r> fn(&'r u8)`
15 error: aborting due to previous error