[INFO] fetching crate apint 0.2.0...
[INFO] checking apint-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate apint 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate apint 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apint 0.2.0
[INFO] finished tweaking crates.io crate apint 0.2.0
[INFO] tweaked toml for crates.io crate apint 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 888011d6deb845680f7ef4b2e236ee5bf52d3c3a74d71ca92d440b7aa3883942
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "888011d6deb845680f7ef4b2e236ee5bf52d3c3a74d71ca92d440b7aa3883942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "888011d6deb845680f7ef4b2e236ee5bf52d3c3a74d71ca92d440b7aa3883942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888011d6deb845680f7ef4b2e236ee5bf52d3c3a74d71ca92d440b7aa3883942", kill_on_drop: false }`
[INFO] [stdout] 888011d6deb845680f7ef4b2e236ee5bf52d3c3a74d71ca92d440b7aa3883942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 315f8691bd23fe70b9a022af41694b05fd1d9b24a3accd8c475e770671fccd87
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "315f8691bd23fe70b9a022af41694b05fd1d9b24a3accd8c475e770671fccd87", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking apint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apint/serialization.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 b'0'...b'9' => b - b'0',
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apint/serialization.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 b'a'...b'z' => b - b'a' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apint/serialization.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 b'A'...b'Z' => b - b'A' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `digit` is imported redundantly
[INFO] [stdout]    --> src/apint/serialization.rs:173:7
[INFO] [stdout]     |
[INFO] [stdout] 4   | use digit;
[INFO] [stdout]     |     ----- the item `digit` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 173 |         use digit;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `digit` is imported redundantly
[INFO] [stdout]    --> src/apint/serialization.rs:197:7
[INFO] [stdout]     |
[INFO] [stdout] 4   | use digit;
[INFO] [stdout]     |     ----- the item `digit` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 197 |         use digit;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `digit` is imported redundantly
[INFO] [stdout]    --> src/apint/serialization.rs:238:7
[INFO] [stdout]     |
[INFO] [stdout] 4   | use digit;
[INFO] [stdout]     |     ----- the item `digit` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 238 |         use digit;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apint/serialization.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 b'0'...b'9' => b - b'0',
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apint/serialization.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 b'a'...b'z' => b - b'a' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/apint/serialization.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 b'A'...b'Z' => b - b'A' + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `digit` is imported redundantly
[INFO] [stdout]    --> src/apint/serialization.rs:173:7
[INFO] [stdout]     |
[INFO] [stdout] 4   | use digit;
[INFO] [stdout]     |     ----- the item `digit` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 173 |         use digit;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `digit` is imported redundantly
[INFO] [stdout]    --> src/apint/serialization.rs:197:7
[INFO] [stdout]     |
[INFO] [stdout] 4   | use digit;
[INFO] [stdout]     |     ----- the item `digit` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 197 |         use digit;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `digit` is imported redundantly
[INFO] [stdout]    --> src/apint/serialization.rs:238:7
[INFO] [stdout]     |
[INFO] [stdout] 4   | use digit;
[INFO] [stdout]     |     ----- the item `digit` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 238 |         use digit;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/apint/serialization.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |             let mut carry = 0;
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_hi_lo`
[INFO] [stdout]    --> src/digit.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub(crate) fn from_hi_lo(hi: Digit, lo: Digit) -> DoubleDigit {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | impl_from_array_for_apint!(2);  // 128 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 | impl_from_array_for_apint!(3);  // 192 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 | impl_from_array_for_apint!(4);  // 256 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 | impl_from_array_for_apint!(5);  // 320 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 371 | impl_from_array_for_apint!(6);  // 384 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 372 | impl_from_array_for_apint!(7);  // 448 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 373 | impl_from_array_for_apint!(8);  // 512 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 | impl_from_array_for_apint!(16); // 1024 bits
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 375 | impl_from_array_for_apint!(32); // 2048 bits
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/digit.rs:793:16
[INFO] [stdout]     |
[INFO] [stdout] 793 |                 assert_eq!(digit::ONES.set(pos), expected_err);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: mutable reference created due to call to this method
[INFO] [stdout]    --> src/digit.rs:361:2
[INFO] [stdout]     |
[INFO] [stdout] 361 | /     pub fn set<P>(&mut self, pos: P) -> Result<()>
[INFO] [stdout] 362 | |         where P: Into<BitPos>
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/digit.rs:47:1
[INFO] [stdout]     |
[INFO] [stdout] 47  | pub(crate) const ONES: Digit = Digit(REPR_ONES);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/digit.rs:794:16
[INFO] [stdout]     |
[INFO] [stdout] 794 |                 assert_eq!(digit::ZERO.set(pos), expected_err);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: mutable reference created due to call to this method
[INFO] [stdout]    --> src/digit.rs:361:2
[INFO] [stdout]     |
[INFO] [stdout] 361 | /     pub fn set<P>(&mut self, pos: P) -> Result<()>
[INFO] [stdout] 362 | |         where P: Into<BitPos>
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/digit.rs:46:1
[INFO] [stdout]     |
[INFO] [stdout] 46  | pub(crate) const ZERO: Digit = Digit(REPR_ZERO);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/apint/serialization.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |             let mut carry = 0;
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | impl_from_array_for_apint!(2);  // 128 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 | impl_from_array_for_apint!(3);  // 192 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 | impl_from_array_for_apint!(4);  // 256 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 | impl_from_array_for_apint!(5);  // 320 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 371 | impl_from_array_for_apint!(6);  // 384 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 372 | impl_from_array_for_apint!(7);  // 448 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 373 | impl_from_array_for_apint!(8);  // 512 bits
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 | impl_from_array_for_apint!(16); // 1024 bits
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.into_iter()
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 375 | impl_from_array_for_apint!(32); // 2048 bits
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_array_for_apint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = val.iter()
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let buffer = IntoIterator::into_iter(val)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:435:6
[INFO] [stdout]     |
[INFO] [stdout] 435 |             ].into_iter()
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 435 |             ].iter()
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 429 |             .chain(IntoIterator::into_iter([
[INFO] [stdout] 430 |                 u8::max_value(),
[INFO] [stdout] 431 |                 10,
[INFO] [stdout] 432 |                 42,
[INFO] [stdout] 433 |                 99,
[INFO] [stdout] 434 |                 123
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:487:6
[INFO] [stdout]     |
[INFO] [stdout] 487 |             ].into_iter().map(|v| *v))
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 487 |             ].iter().map(|v| *v))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 480 |             .chain(IntoIterator::into_iter([
[INFO] [stdout] 481 |                 u16::max_value(),
[INFO] [stdout] 482 |                 500,
[INFO] [stdout] 483 |                 1000,
[INFO] [stdout] 484 |                 1337,
[INFO] [stdout] 485 |                 7777,
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:518:6
[INFO] [stdout]     |
[INFO] [stdout] 518 |             ].into_iter().map(|v| *v))
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 518 |             ].iter().map(|v| *v))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 513 |             .chain(IntoIterator::into_iter([
[INFO] [stdout] 514 |                 u32::max_value(),
[INFO] [stdout] 515 |                 1_000_000,
[INFO] [stdout] 516 |                 999_999_999,
[INFO] [stdout] 517 |                 1_234_567_890
[INFO] [stdout] 518 |             ]).map(|v| *v))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:549:6
[INFO] [stdout]     |
[INFO] [stdout] 549 |             ].into_iter().map(|v| *v))
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 549 |             ].iter().map(|v| *v))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 544 |             .chain(IntoIterator::into_iter([
[INFO] [stdout] 545 |                 u64::max_value(),
[INFO] [stdout] 546 |                 1_000_000_000_000,
[INFO] [stdout] 547 |                 999_999_999_999_999_999,
[INFO] [stdout] 548 |                 0x0123_4567_89AB_CDEF
[INFO] [stdout] 549 |             ]).map(|v| *v))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:580:6
[INFO] [stdout]     |
[INFO] [stdout] 580 |             ].into_iter().map(|v| *v))
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 580 |             ].iter().map(|v| *v))
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 575 |             .chain(IntoIterator::into_iter([
[INFO] [stdout] 576 |                 u128::max_value(),
[INFO] [stdout] 577 |                 1_000_000_000_000_000_000_000_000,
[INFO] [stdout] 578 |                 999_999_999_999_999_999_999_999_999,
[INFO] [stdout] 579 |                 0x0123_4567_89AB_CDEF_FEDC_BA98_7654_3210
[INFO] [stdout] 580 |             ]).map(|v| *v))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:634:5
[INFO] [stdout]     |
[INFO] [stdout] 634 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 634 |             .iter()
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 630 |             IntoIterator::into_iter([
[INFO] [stdout] 631 |                 1_usize, 2, 4, 8, 10, 16, 32, 50, 64,
[INFO] [stdout] 632 |                 100, 128, 150, 200, 250, 255, 256
[INFO] [stdout] 633 |             ])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:675:5
[INFO] [stdout]     |
[INFO] [stdout] 675 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 675 |             .iter()
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 671 |             IntoIterator::into_iter([
[INFO] [stdout] 672 |                 1_usize, 2, 4, 8, 10, 16, 32, 50, 64,
[INFO] [stdout] 673 |                 100, 128, 150, 200, 250, 255, 256
[INFO] [stdout] 674 |             ])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/constructors.rs:689:5
[INFO] [stdout]     |
[INFO] [stdout] 689 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 689 |             .iter()
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 685 |             IntoIterator::into_iter([
[INFO] [stdout] 686 |                 1_usize, 2, 4, 8, 10, 16, 32, 50, 64,
[INFO] [stdout] 687 |                 100, 128, 150, 200, 250, 255, 256
[INFO] [stdout] 688 |             ])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/arithmetic.rs:493:45
[INFO] [stdout]     |
[INFO] [stdout] 493 |              1337, 123123, 999999, 987432, 77216417].into_iter().map(|v| *v)
[INFO] [stdout]     |                                                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 493 |              1337, 123123, 999999, 987432, 77216417].iter().map(|v| *v)
[INFO] [stdout]     |                                                      ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 492 |             IntoIterator::into_iter([0_i128, 1, 2, 4, 5, 7, 10, 42, 50, 100, 128, 150,
[INFO] [stdout] 493 |              1337, 123123, 999999, 987432, 77216417]).map(|v| *v)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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.
[INFO] [stdout]    --> src/apint/serialization.rs:478:33
[INFO] [stdout]     |
[INFO] [stdout] 478 |             [2, 4, 8, 16, 32, 7, 10, 36].into_iter().map(|&r| Radix::new(r).unwrap())
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 478 |             [2, 4, 8, 16, 32, 7, 10, 36].iter().map(|&r| Radix::new(r).unwrap())
[INFO] [stdout]     |                                          ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 478 |             IntoIterator::into_iter([2, 4, 8, 16, 32, 7, 10, 36]).map(|&r| Radix::new(r).unwrap())
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.66s
[INFO] running `Command { std: "docker" "inspect" "315f8691bd23fe70b9a022af41694b05fd1d9b24a3accd8c475e770671fccd87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315f8691bd23fe70b9a022af41694b05fd1d9b24a3accd8c475e770671fccd87", kill_on_drop: false }`
[INFO] [stdout] 315f8691bd23fe70b9a022af41694b05fd1d9b24a3accd8c475e770671fccd87
