error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list
  --> $DIR/capturing-implicit.rs:8:11
   |
LL | fn foo(x: &()) -> impl IntoIterator<Item = impl Sized> + use<> {
   |           ^       -------------------------------------------- lifetime captured due to being mentioned in the bounds of the `impl Trait`
   |           |
   |           this lifetime parameter is captured

error: ['_: o]
  --> $DIR/capturing-implicit.rs:8:19
   |
LL | fn foo(x: &()) -> impl IntoIterator<Item = impl Sized> + use<> {
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: ['_: o]
  --> $DIR/capturing-implicit.rs:8:44
   |
LL | fn foo(x: &()) -> impl IntoIterator<Item = impl Sized> + use<> {
   |                                            ^^^^^^^^^^

error: aborting due to 3 previous errors