src/test/ui/iterators/into-iter-on-arrays-2018.stderr

   1 warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
   2   --> $DIR/into-iter-on-arrays-2018.rs:14:34
   3    |
   4 LL |     let _: Iter<'_, i32> = array.into_iter();
   5    |                                  ^^^^^^^^^
   6    |
   7    = note: `#[warn(array_into_iter)]` on by default
   8    = warning: this changes meaning in Rust 2021
   9    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
  10 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
  11    |
  12 LL |     let _: Iter<'_, i32> = array.iter();
  13    |                                  ^^^^
  14 help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
  15    |
  16 LL |     let _: Iter<'_, i32> = IntoIterator::into_iter(array);
  17    |                            ^^^^^^^^^^^^^^^^^^^^^^^^     ^
  18
  19 warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
  20   --> $DIR/into-iter-on-arrays-2018.rs:18:44
  21    |
  22 LL |     let _: Iter<'_, i32> = Box::new(array).into_iter();
  23    |                                            ^^^^^^^^^
  24    |
  25    = warning: this changes meaning in Rust 2021
  26    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
  27 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
  28    |
  29 LL |     let _: Iter<'_, i32> = Box::new(array).iter();
  30    |                                            ^^^^
  31 help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
  32    |
  33 LL |     let _: Iter<'_, i32> = IntoIterator::into_iter(Box::new(array));
  34    |                            ^^^^^^^^^^^^^^^^^^^^^^^^               ^
  35
  36 warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
  37   --> $DIR/into-iter-on-arrays-2018.rs:29:24
  38    |
  39 LL |     for _ in [1, 2, 3].into_iter() {}
  40    |                        ^^^^^^^^^
  41    |
  42    = warning: this changes meaning in Rust 2021
  43    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
  44 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
  45    |
  46 LL |     for _ in [1, 2, 3].iter() {}
  47    |                        ^^^^
  48 help: or remove `.into_iter()` to iterate by value
  49    |
  50 LL |     for _ in [1, 2, 3] {}
  51    |                      --
  52
  53 warning: 3 warnings emitted
  54