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. --> $DIR/into-iter-on-arrays-lint.rs:10:11 | LL | small.into_iter(); | ^^^^^^^^^ | = note: `#[warn(array_into_iter)]` on by default = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | small.iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(small); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:13:12 | LL | [1, 2].into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | [1, 2].iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter([1, 2]); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:16:9 | LL | big.into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | big.iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(big); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:19:15 | LL | [0u8; 33].into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | [0u8; 33].iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter([0u8; 33]); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:23:21 | LL | Box::new(small).into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | Box::new(small).iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(Box::new(small)); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:26:22 | LL | Box::new([1, 2]).into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | Box::new([1, 2]).iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(Box::new([1, 2])); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:29:19 | LL | Box::new(big).into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | Box::new(big).iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(Box::new(big)); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:32:25 | LL | Box::new([0u8; 33]).into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | Box::new([0u8; 33]).iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(Box::new([0u8; 33])); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:36:31 | LL | Box::new(Box::new(small)).into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | Box::new(Box::new(small)).iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(Box::new(Box::new(small))); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:39:32 | LL | Box::new(Box::new([1, 2])).into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | Box::new(Box::new([1, 2])).iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(Box::new(Box::new([1, 2]))); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:42:29 | LL | Box::new(Box::new(big)).into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | Box::new(Box::new(big)).iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(Box::new(Box::new(big))); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ 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. --> $DIR/into-iter-on-arrays-lint.rs:45:35 | LL | Box::new(Box::new([0u8; 33])).into_iter(); | ^^^^^^^^^ | = warning: this changes meaning in Rust 2021 = note: for more information, see issue #66145 help: use `.iter()` instead of `.into_iter()` to avoid ambiguity | LL | Box::new(Box::new([0u8; 33])).iter(); | ^^^^ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value | LL | IntoIterator::into_iter(Box::new(Box::new([0u8; 33]))); | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ warning: 12 warnings emitted