error: implementation of `DistributedIteratorMulti` is not general enough --> $DIR/issue-55731.rs:48:5 | LL | / multi(Map { LL | | i: Cloned(PhantomData), LL | | f: X, LL | | }); | |______^ implementation of `DistributedIteratorMulti` is not general enough | = note: `DistributedIteratorMulti<&'0 ()>` would have to be implemented for the type `Cloned<&()>`, for any lifetime `'0`... = note: ...but `DistributedIteratorMulti<&'1 ()>` is actually implemented for the type `Cloned<&'1 ()>`, for some specific lifetime `'1` error: aborting due to 1 previous error