src/test/ui/issues/issue-31173.stderr

   1 error[E0271]: type mismatch resolving `<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]> as Iterator>::Item == &_`
   2   --> $DIR/issue-31173.rs:10:10
   3    |
   4 LL |         .cloned()
   5    |          ^^^^^^ expected reference, found `u8`
   6    |
   7    = note: expected reference `&_`
   8                    found type `u8`
   9 note: required by a bound in `cloned`
  10   --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
  11    |
  12 LL |         Self: Sized + Iterator<Item = &'a T>,
  13    |                                ^^^^^^^^^^^^ required by this bound in `cloned`
  14
  15 error[E0599]: the method `collect` exists for struct `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>`, but its trait bounds were not satisfied
  16   --> $DIR/issue-31173.rs:12:10
  17    |
  18 LL |         .collect();
  19    |          ^^^^^^^ method cannot be called on `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>` due to unsatisfied trait bounds
  20    |
  21   ::: $SRC_DIR/core/src/iter/adapters/cloned.rs:LL:COL
  22    |
  23 LL | pub struct Cloned<I> {
  24    | -------------------- doesn't satisfy `_: Iterator`
  25    |
  26   ::: $SRC_DIR/core/src/iter/adapters/take_while.rs:LL:COL
  27    |
  28 LL | pub struct TakeWhile<I, P> {
  29    | -------------------------- doesn't satisfy `<_ as Iterator>::Item = &_`
  30    |
  31    = note: the following trait bounds were not satisfied:
  32            `<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]> as Iterator>::Item = &_`
  33            which is required by `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>: Iterator`
  34            `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>: Iterator`
  35            which is required by `&mut Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>: Iterator`
  36
  37 error: aborting due to 2 previous errors
  38
  39 Some errors have detailed explanations: E0271, E0599.
  40 For more information about an error, try `rustc --explain E0271`.