[INFO] cloning repository https://github.com/Roang-zero1/aoc2021-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Roang-zero1/aoc2021-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoang-zero1%2Faoc2021-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoang-zero1%2Faoc2021-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65d8582f62685e874ff938513b78c9297071b002
[INFO] documenting Roang-zero1/aoc2021-rust against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoang-zero1%2Faoc2021-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Roang-zero1/aoc2021-rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Roang-zero1/aoc2021-rust
[INFO] finished tweaking git repo https://github.com/Roang-zero1/aoc2021-rust
[INFO] tweaked toml for git repo https://github.com/Roang-zero1/aoc2021-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Roang-zero1/aoc2021-rust 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aoc-runner v0.3.0
[INFO] [stderr]   Downloaded aoc-runner-derive v0.3.0
[INFO] [stderr]   Downloaded aoc-runner-internal v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2274daf36e23503f0f52e2f034d3c3da017b3d458215e50cdc8f1cfc60166993
[INFO] running `Command { std: "docker" "start" "-a" "2274daf36e23503f0f52e2f034d3c3da017b3d458215e50cdc8f1cfc60166993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2274daf36e23503f0f52e2f034d3c3da017b3d458215e50cdc8f1cfc60166993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2274daf36e23503f0f52e2f034d3c3da017b3d458215e50cdc8f1cfc60166993", kill_on_drop: false }`
[INFO] [stdout] 2274daf36e23503f0f52e2f034d3c3da017b3d458215e50cdc8f1cfc60166993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c4a6638ac94d1f29eace2f7f4479560c27b7fdc90d06bbaa1119c3a94b977da
[INFO] running `Command { std: "docker" "start" "-a" "1c4a6638ac94d1f29eace2f7f4479560c27b7fdc90d06bbaa1119c3a94b977da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]     Checking aoc-runner v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.3.0
[INFO] [stderr]  Documenting aoc2021-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | aoc_lib! { year = 2021 }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: failed to write infos from lib: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day01.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[aoc(day1, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day01.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[aoc(day1, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day02.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[aoc(day2, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day02.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[aoc(day2, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day03.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[aoc(day3, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day03.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[aoc(day3, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day04.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[aoc(day4, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day04.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[aoc(day4, part2)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day05.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[aoc(day5, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day05.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[aoc(day5, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day06.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[aoc(day6, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day06.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[aoc(day6, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day07.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[aoc(day7, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day07.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[aoc(day7, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day08.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[aoc(day8, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day08.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[aoc(day8, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day09.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[aoc(day9, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day09.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[aoc(day9, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day10.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[aoc(day10, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day10.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | #[aoc(day10, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day11.rs:90:1
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[aoc(day11, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day11.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[aoc(day11, part2)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day13.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | #[aoc(day13, part1)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day13.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[aoc(day13, part2)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day14.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[aoc(day14, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day14.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | #[aoc(day14, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day16.rs:189:1
[INFO] [stdout]     |
[INFO] [stdout] 189 | #[aoc(day16, part1)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day16.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | #[aoc(day16, part2)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/day02.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |       _ => (println!("Ignored {}", direction.0)),
[INFO] [stdout]    |            ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -       _ => (println!("Ignored {}", direction.0)),
[INFO] [stdout] 22 +       _ => println!("Ignored {}", direction.0),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/day02.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |       _ => (println!("Ignored {}", direction.0)),
[INFO] [stdout]    |            ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -       _ => (println!("Ignored {}", direction.0)),
[INFO] [stdout] 42 +       _ => println!("Ignored {}", direction.0),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 29 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc2021-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name aoc2021_rust src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c354ba0807e32288 -L dependency=/opt/rustwide/target/debug/deps --extern aoc_runner=/opt/rustwide/target/debug/deps/libaoc_runner-cb34d3899b414476.rmeta --extern aoc_runner_derive=/opt/rustwide/target/debug/deps/libaoc_runner_derive-b084e85c72acfabe.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e7445b4e8703c20b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f64be15b51fe8a2b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1c4a6638ac94d1f29eace2f7f4479560c27b7fdc90d06bbaa1119c3a94b977da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4a6638ac94d1f29eace2f7f4479560c27b7fdc90d06bbaa1119c3a94b977da", kill_on_drop: false }`
[INFO] [stdout] 1c4a6638ac94d1f29eace2f7f4479560c27b7fdc90d06bbaa1119c3a94b977da
