error[E0308]: mismatched types --> $DIR/variance-covariant-arg-trait-match.rs:14:5 | LL | impls_get::() | ^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch | = note: expected type `Get<&'min i32>` found type `Get<&'max i32>` note: the lifetime `'min` as defined on the function body at 10:21... --> $DIR/variance-covariant-arg-trait-match.rs:10:21 | LL | fn get_min_from_max<'min, 'max, G>() | ^^^^ note: ...does not necessarily outlive the lifetime `'max` as defined on the function body at 10:27 --> $DIR/variance-covariant-arg-trait-match.rs:10:27 | LL | fn get_min_from_max<'min, 'max, G>() | ^^^^ error[E0308]: mismatched types --> $DIR/variance-covariant-arg-trait-match.rs:20:5 | LL | impls_get::() | ^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch | = note: expected type `Get<&'max i32>` found type `Get<&'min i32>` note: the lifetime `'min` as defined on the function body at 17:21... --> $DIR/variance-covariant-arg-trait-match.rs:17:21 | LL | fn get_max_from_min<'min, 'max, G>() | ^^^^ note: ...does not necessarily outlive the lifetime `'max` as defined on the function body at 17:27 --> $DIR/variance-covariant-arg-trait-match.rs:17:27 | LL | fn get_max_from_min<'min, 'max, G>() | ^^^^ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`.