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   --> $DIR/issue-31173.rs:10:10
   3    |
   4 LL |         .cloned()
   5    |          ^^^^^^ expected `u8`, found reference
   6    |
   7    = note:   expected type `u8`
   8            found reference `&_`
   9
  10 error[E0599]: no method named `collect` found for struct `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>` in the current scope
  11   --> $DIR/issue-31173.rs:14:10
  12    |
  13 LL |         .collect();
  14    |          ^^^^^^^ method not found in `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>`
  15    |
  16   ::: $SRC_DIR/core/src/iter/adapters/mod.rs:LL:COL
  17    |
  18 LL | pub struct Cloned<I> {
  19    | -------------------- doesn't satisfy `_: Iterator`
  20 ...
  21 LL | pub struct TakeWhile<I, P> {
  22    | -------------------------- doesn't satisfy `<_ as Iterator>::Item = &_`
  23    |
  24    = note: the method `collect` exists but the following trait bounds were not satisfied:
  25            `<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]> as Iterator>::Item = &_`
  26            which is required by `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>: Iterator`
  27            `Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>: Iterator`
  28            which is required by `&mut Cloned<TakeWhile<&mut std::vec::IntoIter<u8>, [closure@$DIR/issue-31173.rs:6:39: 9:6]>>: Iterator`
  29
  30 error: aborting due to 2 previous errors
  31
  32 Some errors have detailed explanations: E0271, E0599.
  33 For more information about an error, try `rustc --explain E0271`.