[INFO] cloning repository https://github.com/hygt/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hygt/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhygt%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhygt%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f286deb972eaf2daf00125c4813ae05d6655852
[INFO] documenting hygt/aoc2018 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhygt%2Faoc2018" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hygt/aoc2018 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hygt/aoc2018
[INFO] finished tweaking git repo https://github.com/hygt/aoc2018
[INFO] tweaked toml for git repo https://github.com/hygt/aoc2018 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/hygt/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b33a7bb23031c77840661566df1ecf7e7cde29b25f8f2925aa25969dc3bc8641
[INFO] running `Command { std: "docker" "start" "-a" "b33a7bb23031c77840661566df1ecf7e7cde29b25f8f2925aa25969dc3bc8641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b33a7bb23031c77840661566df1ecf7e7cde29b25f8f2925aa25969dc3bc8641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33a7bb23031c77840661566df1ecf7e7cde29b25f8f2925aa25969dc3bc8641", kill_on_drop: false }`
[INFO] [stdout] b33a7bb23031c77840661566df1ecf7e7cde29b25f8f2925aa25969dc3bc8641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84701852d942632aabae8f0baac16d18a22e837997ea5659ac0b50bb1f84071e
[INFO] running `Command { std: "docker" "start" "-a" "84701852d942632aabae8f0baac16d18a22e837997ea5659ac0b50bb1f84071e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]  Documenting aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day07b src/bin/day07b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=20a094564c7ee3a6 -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day04 src/bin/day04.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=a7245eaf38467078 -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day10 src/bin/day10.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=a119d4ea765c3c59 -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day11 src/bin/day11.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=d2b88dd9f55af388 -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day03b src/bin/day03b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=d10621f6f00c9bec -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day01c src/bin/day01c.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=ed755055d9624459 -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day14a src/bin/day14a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=f046f8807a3d30cd -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day06a src/bin/day06a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=0772d83ec25d3072 -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day06b src/bin/day06b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=3444fc4cfaa26228 -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day08b src/bin/day08b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=31dd08ee1672b1a9 -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7f4462c0b5447b16.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb59b51d79f8fa7e.rmeta --extern edit_distance=/opt/rustwide/target/debug/deps/libedit_distance-734f4c459b02e3d1.rmeta --extern linked_list=/opt/rustwide/target/debug/deps/liblinked_list-d8f13c20def2f6dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e6ecfc503b1ab9d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "84701852d942632aabae8f0baac16d18a22e837997ea5659ac0b50bb1f84071e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84701852d942632aabae8f0baac16d18a22e837997ea5659ac0b50bb1f84071e", kill_on_drop: false }`
[INFO] [stdout] 84701852d942632aabae8f0baac16d18a22e837997ea5659ac0b50bb1f84071e