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

   1 error[E0271]: expected `TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:8:21: 8:25]>` to be an iterator that yields `&_`, but it yields `u8`
   2   --> $DIR/issue-31173.rs:6:25
   3    |
   4 LL |       let temp: Vec<u8> = it
   5    |  _________________________^
   6 LL | |
   7 LL | |         .take_while(|&x| {
   8 LL | |             found_e = true;
   9 LL | |             false
  10 LL | |         })
  11    | |__________^ expected reference, found `u8`
  12 LL |           .cloned()
  13    |            ------ required by a bound introduced by this call
  14    |
  15    = note: expected reference `&_`
  16                    found type `u8`
  17 note: required by a bound in `cloned`
  18   --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
  19    |
  20 LL |         Self: Sized + Iterator<Item = &'a T>,
  21    |                                ^^^^^^^^^^^^ required by this bound in `cloned`
  22
  23 error[E0599]: the method `collect` exists for struct `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:8:21: 8:25]>>`, but its trait bounds were not satisfied
  24   --> $DIR/issue-31173.rs:13:10
  25    |
  26 LL |         .collect();
  27    |          ^^^^^^^ method cannot be called on `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:8:21: 8:25]>>` due to unsatisfied trait bounds
  28    |
  29   ::: $SRC_DIR/core/src/iter/adapters/take_while.rs:LL:COL
  30    |
  31 LL | pub struct TakeWhile<I, P> {
  32    | -------------------------- doesn't satisfy `<_ as Iterator>::Item = &_`
  33    |
  34   ::: $SRC_DIR/core/src/iter/adapters/cloned.rs:LL:COL
  35    |
  36 LL | pub struct Cloned<I> {
  37    | -------------------- doesn't satisfy `_: Iterator`
  38    |
  39    = note: the following trait bounds were not satisfied:
  40            `<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:8:21: 8:25]> as Iterator>::Item = &_`
  41            which is required by `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:8:21: 8:25]>>: Iterator`
  42            `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:8:21: 8:25]>>: Iterator`
  43            which is required by `&mut Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:8:21: 8:25]>>: Iterator`
  44
  45 error: aborting due to 2 previous errors
  46
  47 Some errors have detailed explanations: E0271, E0599.
  48 For more information about an error, try `rustc --explain E0271`.