22 | fn foo() where U: 'a { } //~ ERROR E0276
| ^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `U: 'a`
|
+ = note: #[deny(extra_requirement_in_impl)] on by default
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #37166 <https://github.com/rust-lang/rust/issues/37166>
-note: lint level defined here
- --> $DIR/proj-outlives-region.rs:12:9
- |
-12 | #![deny(extra_requirement_in_impl)]
- | ^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error