error[E0220]: associated type `Assoc` not found for `V` --> $DIR/issue-96287.rs:7:33 | LL | pub type Foo = impl Trait; | ^^^^^ there is an associated type `Assoc` in the trait `TraitWithAssoc` | help: consider restricting type parameter `V` | LL | pub type Foo = impl Trait; | ++++++++++++++++ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0220`.