error[E0326]: implemented const `FROM` has an incompatible type for trait --> $DIR/associated-const-generic-obligations.rs:14:17 | LL | const FROM: &'static str = "foo"; | ^^^^^^^^^^^^ expected associated type, found `&'static str` | note: type in trait --> $DIR/associated-const-generic-obligations.rs:10:17 | LL | const FROM: Self::Out; | ^^^^^^^^^ = note: expected associated type `::Out` found reference `&'static str` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0326`.