error[E0107]: missing generics for associated type `Monad::Wrapped`
  --> $DIR/issue-79636-1.rs:15:34
   |
LL |     MInner: Monad<Unwrapped = A, Wrapped = MOuter::Wrapped<A>>,
   |                                  ^^^^^^^ expected 1 generic argument
   |
note: associated type defined here, with 1 generic parameter: `B`
  --> $DIR/issue-79636-1.rs:5:10
   |
LL |     type Wrapped<B>;
   |          ^^^^^^^ -
help: add missing generic argument
   |
LL |     MInner: Monad<Unwrapped = A, Wrapped<B> = MOuter::Wrapped<A>>,
   |                                  ~~~~~~~~~~

error: aborting due to previous error

For more information about this error, try `rustc --explain E0107`.