tests/ui/typeck/issue-31173.stderr

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