[INFO] cloning repository https://github.com/JoNil/AOC2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoNil/AOC2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoNil%2FAOC2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoNil%2FAOC2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31b3319a8f632184889b8b9a0932b54168e20dff
[INFO] checking JoNil/AOC2019 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoNil%2FAOC2019" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JoNil/AOC2019
[INFO] finished tweaking git repo https://github.com/JoNil/AOC2019
[INFO] tweaked toml for git repo https://github.com/JoNil/AOC2019 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JoNil/AOC2019 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JoNil/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base64 v0.10.1
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[INFO] [stderr]   Downloaded crossterm v0.14.0
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[INFO] [stderr]   Downloaded cc v1.0.48
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[INFO] [stderr]   Downloaded utf8parse v0.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0719ae5ea66fc27835569b9f2eae9ae94b66d6bf85c6a6d4401ff89c0fbec876
[INFO] running `Command { std: "docker" "start" "-a" "0719ae5ea66fc27835569b9f2eae9ae94b66d6bf85c6a6d4401ff89c0fbec876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0719ae5ea66fc27835569b9f2eae9ae94b66d6bf85c6a6d4401ff89c0fbec876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0719ae5ea66fc27835569b9f2eae9ae94b66d6bf85c6a6d4401ff89c0fbec876", kill_on_drop: false }`
[INFO] [stdout] 0719ae5ea66fc27835569b9f2eae9ae94b66d6bf85c6a6d4401ff89c0fbec876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87147e9e6252ad7f7ed207cc52aaaab0cc96ae8b8bddfbc1a6c82708c27368f3
[INFO] running `Command { std: "docker" "start" "-a" "87147e9e6252ad7f7ed207cc52aaaab0cc96ae8b8bddfbc1a6c82708c27368f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking int_comp v0.1.0 (/opt/rustwide/workdir/int_comp)
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking day_11_a v0.1.0 (/opt/rustwide/workdir/day_11_a)
[INFO] [stderr]     Checking day_11_b v0.1.0 (/opt/rustwide/workdir/day_11_b)
[INFO] [stderr]     Checking day_9_b v0.1.0 (/opt/rustwide/workdir/day_9_b)
[INFO] [stderr]     Checking day_13_a v0.1.0 (/opt/rustwide/workdir/day_13_a)
[INFO] [stderr]     Checking day_21_b v0.1.0 (/opt/rustwide/workdir/day_21_b)
[INFO] [stderr]     Checking day_23_b v0.1.0 (/opt/rustwide/workdir/day_23_b)
[INFO] [stderr]     Checking day_23_a v0.1.0 (/opt/rustwide/workdir/day_23_a)
[INFO] [stderr]     Checking day_21_a v0.1.0 (/opt/rustwide/workdir/day_21_a)
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking day_9_a v0.1.0 (/opt/rustwide/workdir/day_9_a)
[INFO] [stderr]     Checking day_25_b v0.1.0 (/opt/rustwide/workdir/day_25_b)
[INFO] [stderr]     Checking day_10_a v0.1.0 (/opt/rustwide/workdir/day_10_a)
[INFO] [stderr]     Checking day_1_b v0.1.0 (/opt/rustwide/workdir/day_1_b)
[INFO] [stderr]     Checking day_7_b v0.1.0 (/opt/rustwide/workdir/day_7_b)
[INFO] [stderr]     Checking day_2_b v0.1.0 (/opt/rustwide/workdir/day_2_b)
[INFO] [stderr]     Checking day_3_a v0.1.0 (/opt/rustwide/workdir/day_3_a)
[INFO] [stderr]     Checking day_4_a v0.1.0 (/opt/rustwide/workdir/day_4_a)
[INFO] [stderr]     Checking day_16_b v0.1.0 (/opt/rustwide/workdir/day_16_b)
[INFO] [stderr]     Checking day_14_a v0.1.0 (/opt/rustwide/workdir/day_14_a)
[INFO] [stderr]     Checking day_5_b v0.1.0 (/opt/rustwide/workdir/day_5_b)
[INFO] [stderr]     Checking day_8_a v0.1.0 (/opt/rustwide/workdir/day_8_a)
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking day_6_a v0.1.0 (/opt/rustwide/workdir/day_6_a)
[INFO] [stderr]     Checking day_16_a v0.1.0 (/opt/rustwide/workdir/day_16_a)
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking day_2_a v0.1.0 (/opt/rustwide/workdir/day_2_a)
[INFO] [stderr]     Checking day_4_b v0.1.0 (/opt/rustwide/workdir/day_4_b)
[INFO] [stderr]     Checking day_24_a v0.1.0 (/opt/rustwide/workdir/day_24_a)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> day_24_a/src/main.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.data[(x as usize + MAP_WIDTH * (y as usize))] = tile;
[INFO] [stdout]    |                   ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -         self.data[(x as usize + MAP_WIDTH * (y as usize))] = tile;
[INFO] [stdout] 46 +         self.data[x as usize + MAP_WIDTH * (y as usize) ] = tile;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day_12_a v0.1.0 (/opt/rustwide/workdir/day_12_a)
[INFO] [stderr]     Checking day_24_b v0.1.0 (/opt/rustwide/workdir/day_24_b)
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> day_24_a/src/main.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.data[(x as usize + MAP_WIDTH * (y as usize))] = tile;
[INFO] [stdout]    |                   ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -         self.data[(x as usize + MAP_WIDTH * (y as usize))] = tile;
[INFO] [stdout] 46 +         self.data[x as usize + MAP_WIDTH * (y as usize) ] = tile;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> day_24_b/src/main.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 map[(x as usize + MAP_WIDTH * (y as usize))] = tile;
[INFO] [stdout]     |                     ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -                 map[(x as usize + MAP_WIDTH * (y as usize))] = tile;
[INFO] [stdout] 104 +                 map[x as usize + MAP_WIDTH * (y as usize) ] = tile;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day_7_a v0.1.0 (/opt/rustwide/workdir/day_7_a)
[INFO] [stderr]     Checking day_22_a v0.1.0 (/opt/rustwide/workdir/day_22_a)
[INFO] [stderr]     Checking day_8_b v0.1.0 (/opt/rustwide/workdir/day_8_b)
[INFO] [stderr]     Checking day_1_a v0.1.0 (/opt/rustwide/workdir/day_1_a)
[INFO] [stderr]     Checking day_14_b v0.1.0 (/opt/rustwide/workdir/day_14_b)
[INFO] [stderr]     Checking day_5_a v0.1.0 (/opt/rustwide/workdir/day_5_a)
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking day_10_b v0.1.0 (/opt/rustwide/workdir/day_10_b)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> day_24_b/src/main.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 map[(x as usize + MAP_WIDTH * (y as usize))] = tile;
[INFO] [stdout]     |                     ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -                 map[(x as usize + MAP_WIDTH * (y as usize))] = tile;
[INFO] [stdout] 104 +                 map[x as usize + MAP_WIDTH * (y as usize) ] = tile;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossterm v0.14.0
[INFO] [stderr]     Checking day_3_b v0.1.0 (/opt/rustwide/workdir/day_3_b)
[INFO] [stderr]     Checking day_6_b v0.1.0 (/opt/rustwide/workdir/day_6_b)
[INFO] [stderr]     Checking day_12_b v0.1.0 (/opt/rustwide/workdir/day_12_b)
[INFO] [stderr]     Checking day_22_b v0.1.0 (/opt/rustwide/workdir/day_22_b)
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> day_22_b/src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Operation {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     len: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> day_22_b/src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Operation {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     len: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day_18_b v0.1.0 (/opt/rustwide/workdir/day_18_b)
[INFO] [stderr]     Checking day_13_b v0.1.0 (/opt/rustwide/workdir/day_13_b)
[INFO] [stderr]     Checking day_17_a v0.1.0 (/opt/rustwide/workdir/day_17_a)
[INFO] [stderr]     Checking day_20_b v0.1.0 (/opt/rustwide/workdir/day_20_b)
[INFO] [stderr]     Checking day_19_b v0.1.0 (/opt/rustwide/workdir/day_19_b)
[INFO] [stderr]     Checking day_17_b v0.1.0 (/opt/rustwide/workdir/day_17_b)
[INFO] [stderr]     Checking day_15_b v0.1.0 (/opt/rustwide/workdir/day_15_b)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_17_b/src/main.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Horiz((i32, i32), i32),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -     Horiz((i32, i32), i32),
[INFO] [stdout] 45 +     Horiz((), i32),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_17_b/src/main.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Verti((i32, i32), i32),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 46 -     Verti((i32, i32), i32),
[INFO] [stdout] 46 +     Verti((), i32),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_17_b/src/main.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Left(i32),
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 -     Left(i32),
[INFO] [stdout] 96 +     Left(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_17_b/src/main.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Right(i32),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 97 -     Right(i32),
[INFO] [stdout] 97 +     Right(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day_20_a v0.1.0 (/opt/rustwide/workdir/day_20_a)
[INFO] [stderr]     Checking day_15_a v0.1.0 (/opt/rustwide/workdir/day_15_a)
[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]   --> day_17_a/src/main.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     .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]    = 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] 19 -     .into_iter()
[INFO] [stdout] 19 +     .iter()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 13 ~     IntoIterator::into_iter([
[INFO] [stdout] 14 |         (pos.0 + 1, pos.1),
[INFO] [stdout] ...
[INFO] [stdout] 17 |         (pos.0, pos.1 - 1),
[INFO] [stdout] 18 ~     ])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day_18_a v0.1.0 (/opt/rustwide/workdir/day_18_a)
[INFO] [stderr]     Checking day_19_a v0.1.0 (/opt/rustwide/workdir/day_19_a)
[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]   --> day_17_a/src/main.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     .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]    = 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] 19 -     .into_iter()
[INFO] [stdout] 19 +     .iter()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 13 ~     IntoIterator::into_iter([
[INFO] [stdout] 14 |         (pos.0 + 1, pos.1),
[INFO] [stdout] ...
[INFO] [stdout] 17 |         (pos.0, pos.1 - 1),
[INFO] [stdout] 18 ~     ])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_17_b/src/main.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Horiz((i32, i32), i32),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -     Horiz((i32, i32), i32),
[INFO] [stdout] 45 +     Horiz((), i32),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_17_b/src/main.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Verti((i32, i32), i32),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 46 -     Verti((i32, i32), i32),
[INFO] [stdout] 46 +     Verti((), i32),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_17_b/src/main.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 |     Left(i32),
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 -     Left(i32),
[INFO] [stdout] 96 +     Left(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_17_b/src/main.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Right(i32),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 97 -     Right(i32),
[INFO] [stdout] 97 +     Right(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustyline v5.0.5
[INFO] [stderr]     Checking day_25_a v0.1.0 (/opt/rustwide/workdir/day_25_a)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.90s
[INFO] running `Command { std: "docker" "inspect" "87147e9e6252ad7f7ed207cc52aaaab0cc96ae8b8bddfbc1a6c82708c27368f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87147e9e6252ad7f7ed207cc52aaaab0cc96ae8b8bddfbc1a6c82708c27368f3", kill_on_drop: false }`
[INFO] [stdout] 87147e9e6252ad7f7ed207cc52aaaab0cc96ae8b8bddfbc1a6c82708c27368f3
