error: expected lifetime, type, or constant, found keyword `const` --> $DIR/issue-89013-no-assoc.rs:9:10 | LL | impl Foo for Bar { | ^^^^^ | help: the `const` keyword is only needed in the definition of the type | LL - impl Foo for Bar { LL + impl Foo<3> for Bar { | error: aborting due to 1 previous error