[INFO] cloning repository https://github.com/onesk/aoc2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onesk/aoc2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonesk%2Faoc2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonesk%2Faoc2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b83e84bb76c4c92f4f06db8126fa8fd67d30211
[INFO] checking onesk/aoc2019 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonesk%2Faoc2019" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/onesk/aoc2019
[INFO] finished tweaking git repo https://github.com/onesk/aoc2019
[INFO] tweaked toml for git repo https://github.com/onesk/aoc2019 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/onesk/aoc2019 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/onesk/aoc2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5958f52f8dd41bebd538589beec6c64caed9507b25ebd14d139724ee1c87888d
[INFO] running `Command { std: "docker" "start" "-a" "5958f52f8dd41bebd538589beec6c64caed9507b25ebd14d139724ee1c87888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5958f52f8dd41bebd538589beec6c64caed9507b25ebd14d139724ee1c87888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5958f52f8dd41bebd538589beec6c64caed9507b25ebd14d139724ee1c87888d", kill_on_drop: false }`
[INFO] [stdout] 5958f52f8dd41bebd538589beec6c64caed9507b25ebd14d139724ee1c87888d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa37ea82b4e97d13dca5b4a7e22268bef36eb7ae50d2a7aec7fd690c81ff0866
[INFO] running `Command { std: "docker" "start" "-a" "fa37ea82b4e97d13dca5b4a7e22268bef36eb7ae50d2a7aec7fd690c81ff0866", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/intcode.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |         (!self.halted).ok_or(YieldReason::Halt)?;
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `ok_or(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(bool_to_result)]` to the crate attributes to enable `core::bool::<impl bool>::ok_or`
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 + #![feature(bool_to_result)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/intcode.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |         (!self.halted).ok_or(YieldReason::Halt)?;
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `ok_or(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(bool_to_result)]` to the crate attributes to enable `core::bool::<impl bool>::ok_or`
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 + #![feature(bool_to_result)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/intcode_full.rs:196:24
[INFO] [stdout]     |
[INFO] [stdout] 196 |         (!self.halted).ok_or(YieldReason::Halt)?;
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `ok_or(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(bool_to_result)]` to the crate attributes to enable `core::bool::<impl bool>::ok_or`
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 + #![feature(bool_to_result)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/intcode_full.rs:196:24
[INFO] [stdout]     |
[INFO] [stdout] 196 |         (!self.halted).ok_or(YieldReason::Halt)?;
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `ok_or(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(bool_to_result)]` to the crate attributes to enable `core::bool::<impl bool>::ok_or`
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 + #![feature(bool_to_result)]
[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/intcode_full.rs:306:51
[INFO] [stdout]     |
[INFO] [stdout] 306 |     let outputs = State::outputs(&quine, [0isize].into_iter().cloned());
[INFO] [stdout]     |                                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 306 -     let outputs = State::outputs(&quine, [0isize].into_iter().cloned());
[INFO] [stdout] 306 +     let outputs = State::outputs(&quine, [0isize].iter().cloned());
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 306 -     let outputs = State::outputs(&quine, [0isize].into_iter().cloned());
[INFO] [stdout] 306 +     let outputs = State::outputs(&quine, IntoIterator::into_iter([0isize]).cloned());
[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/intcode_full.rs:313:50
[INFO] [stdout]     |
[INFO] [stdout] 313 |     let outputs = State::outputs(&code, [0isize].into_iter().cloned());
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 313 -     let outputs = State::outputs(&code, [0isize].into_iter().cloned());
[INFO] [stdout] 313 +     let outputs = State::outputs(&code, [0isize].iter().cloned());
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 313 -     let outputs = State::outputs(&code, [0isize].into_iter().cloned());
[INFO] [stdout] 313 +     let outputs = State::outputs(&code, IntoIterator::into_iter([0isize]).cloned());
[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/intcode_full.rs:320:50
[INFO] [stdout]     |
[INFO] [stdout] 320 |     let outputs = State::outputs(&code, [0isize].into_iter().cloned());
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 320 -     let outputs = State::outputs(&code, [0isize].into_iter().cloned());
[INFO] [stdout] 320 +     let outputs = State::outputs(&code, [0isize].iter().cloned());
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 320 -     let outputs = State::outputs(&code, [0isize].into_iter().cloned());
[INFO] [stdout] 320 +     let outputs = State::outputs(&code, IntoIterator::into_iter([0isize]).cloned());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/13.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             console::Term::stdout().clear_screen();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let _ = console::Term::stdout().clear_screen();
[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/bin/7.rs:27:64
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut outputs = State::outputs(s, [phase_setting, input].into_iter().cloned());
[INFO] [stdout]    |                                                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 27 -     let mut outputs = State::outputs(s, [phase_setting, input].into_iter().cloned());
[INFO] [stdout] 27 +     let mut outputs = State::outputs(s, [phase_setting, input].iter().cloned());
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 27 -     let mut outputs = State::outputs(s, [phase_setting, input].into_iter().cloned());
[INFO] [stdout] 27 +     let mut outputs = State::outputs(s, IntoIterator::into_iter([phase_setting, input]).cloned());
[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/bin/7.rs:33:57
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut amps: SmallVec<[State; STAGES]> = phase_seq.into_iter()
[INFO] [stdout]    |                                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 33 -     let mut amps: SmallVec<[State; STAGES]> = phase_seq.into_iter()
[INFO] [stdout] 33 +     let mut amps: SmallVec<[State; STAGES]> = phase_seq.iter()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 33 -     let mut amps: SmallVec<[State; STAGES]> = phase_seq.into_iter()
[INFO] [stdout] 33 +     let mut amps: SmallVec<[State; STAGES]> = IntoIterator::into_iter(phase_seq)
[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/bin/7.rs:34:70
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .map(|&phase_setting| State::new_from_str(s, [phase_setting].into_iter().cloned()))
[INFO] [stdout]    |                                                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 34 -         .map(|&phase_setting| State::new_from_str(s, [phase_setting].into_iter().cloned()))
[INFO] [stdout] 34 +         .map(|&phase_setting| State::new_from_str(s, [phase_setting].iter().cloned()))
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 34 -         .map(|&phase_setting| State::new_from_str(s, [phase_setting].into_iter().cloned()))
[INFO] [stdout] 34 +         .map(|&phase_setting| State::new_from_str(s, IntoIterator::into_iter([phase_setting]).cloned()))
[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/bin/7.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let output = ps.into_iter().fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 71 -             let output = ps.into_iter().fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout] 71 +             let output = ps.iter().fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 71 -             let output = ps.into_iter().fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout] 71 +             let output = IntoIterator::into_iter(ps).fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[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/bin/7.rs:27:64
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut outputs = State::outputs(s, [phase_setting, input].into_iter().cloned());
[INFO] [stdout]    |                                                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 27 -     let mut outputs = State::outputs(s, [phase_setting, input].into_iter().cloned());
[INFO] [stdout] 27 +     let mut outputs = State::outputs(s, [phase_setting, input].iter().cloned());
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 27 -     let mut outputs = State::outputs(s, [phase_setting, input].into_iter().cloned());
[INFO] [stdout] 27 +     let mut outputs = State::outputs(s, IntoIterator::into_iter([phase_setting, input]).cloned());
[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/bin/7.rs:33:57
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut amps: SmallVec<[State; STAGES]> = phase_seq.into_iter()
[INFO] [stdout]    |                                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 33 -     let mut amps: SmallVec<[State; STAGES]> = phase_seq.into_iter()
[INFO] [stdout] 33 +     let mut amps: SmallVec<[State; STAGES]> = phase_seq.iter()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 33 -     let mut amps: SmallVec<[State; STAGES]> = phase_seq.into_iter()
[INFO] [stdout] 33 +     let mut amps: SmallVec<[State; STAGES]> = IntoIterator::into_iter(phase_seq)
[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/bin/7.rs:34:70
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .map(|&phase_setting| State::new_from_str(s, [phase_setting].into_iter().cloned()))
[INFO] [stdout]    |                                                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 34 -         .map(|&phase_setting| State::new_from_str(s, [phase_setting].into_iter().cloned()))
[INFO] [stdout] 34 +         .map(|&phase_setting| State::new_from_str(s, [phase_setting].iter().cloned()))
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 34 -         .map(|&phase_setting| State::new_from_str(s, [phase_setting].into_iter().cloned()))
[INFO] [stdout] 34 +         .map(|&phase_setting| State::new_from_str(s, IntoIterator::into_iter([phase_setting]).cloned()))
[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/bin/7.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let output = ps.into_iter().fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 71 -             let output = ps.into_iter().fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout] 71 +             let output = ps.iter().fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 71 -             let output = ps.into_iter().fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout] 71 +             let output = IntoIterator::into_iter(ps).fold(0, |input: Word, &phase_setting| run_amplifier(s, phase_setting, input));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/13.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             console::Term::stdout().clear_screen();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let _ = console::Term::stdout().clear_screen();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "fa37ea82b4e97d13dca5b4a7e22268bef36eb7ae50d2a7aec7fd690c81ff0866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa37ea82b4e97d13dca5b4a7e22268bef36eb7ae50d2a7aec7fd690c81ff0866", kill_on_drop: false }`
[INFO] [stdout] fa37ea82b4e97d13dca5b4a7e22268bef36eb7ae50d2a7aec7fd690c81ff0866
