error[E0271]: expected `std::collections::hash_map::Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)`
  --> $DIR/issue-33941.rs:6:14
   |
LL |     for _ in HashMap::new().iter().cloned() {}
   |              ^^^^^^^^^^^^^^^^^^^^^ ------ required by a bound introduced by this call
   |              |
   |              expected reference, found tuple
   |
   = note: expected reference `&_`
                  found tuple `(&_, &_)`
note: required by a bound in `cloned`
  --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
   |
LL |         Self: Sized + Iterator<Item = &'a T>,
   |                                ^^^^^^^^^^^^ required by this bound in `cloned`

error[E0271]: expected `std::collections::hash_map::Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)`
  --> $DIR/issue-33941.rs:6:14
   |
LL |     for _ in HashMap::new().iter().cloned() {}
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found reference
   |
   = note:  expected tuple `(&_, &_)`
           found reference `&_`
   = note: required for `Cloned<std::collections::hash_map::Iter<'_, _, _>>` to implement `Iterator`
   = note: required for `Cloned<std::collections::hash_map::Iter<'_, _, _>>` to implement `IntoIterator`

error[E0271]: expected `std::collections::hash_map::Iter<'_, _, _>` to be an iterator that yields `&_`, but it yields `(&_, &_)`
  --> $DIR/issue-33941.rs:6:14
   |
LL |     for _ in HashMap::new().iter().cloned() {}
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found reference
   |
   = note:  expected tuple `(&_, &_)`
           found reference `&_`
   = note: required for `Cloned<std::collections::hash_map::Iter<'_, _, _>>` to implement `Iterator`

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0271`.