[INFO] cloning repository https://github.com/NathanEWhitaker/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NathanEWhitaker/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanEWhitaker%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanEWhitaker%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5862ec5391b6b7e952584eca9378973e8305825f
[INFO] documenting NathanEWhitaker/aoc2021 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanEWhitaker%2Faoc2021" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanEWhitaker/aoc2021 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NathanEWhitaker/aoc2021
[INFO] finished tweaking git repo https://github.com/NathanEWhitaker/aoc2021
[INFO] tweaked toml for git repo https://github.com/NathanEWhitaker/aoc2021 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanEWhitaker/aoc2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e538820031fa9165ef73211ff8f5a222022d1e741b35605e4a7316f4f3a7a1d9
[INFO] running `Command { std: "docker" "start" "-a" "e538820031fa9165ef73211ff8f5a222022d1e741b35605e4a7316f4f3a7a1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e538820031fa9165ef73211ff8f5a222022d1e741b35605e4a7316f4f3a7a1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e538820031fa9165ef73211ff8f5a222022d1e741b35605e4a7316f4f3a7a1d9", kill_on_drop: false }`
[INFO] [stdout] e538820031fa9165ef73211ff8f5a222022d1e741b35605e4a7316f4f3a7a1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dbcf18a3becf4706593b1765bda38c4aafe16f7b89271cda8324b26c4b9f377
[INFO] running `Command { std: "docker" "start" "-a" "7dbcf18a3becf4706593b1765bda38c4aafe16f7b89271cda8324b26c4b9f377", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting advent_of_code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name two_a src/solutions/two_a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6f2775115935de3f -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.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 `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name eleven_b src/solutions/eleven_b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6de1ef84f6843ecb -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name nine_a src/solutions/nine_a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bfe084acc4732a5d -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name five_a src/solutions/five_a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=46e09c28183abba7 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name seven_b src/solutions/seven_b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4dcbd328b0107f14 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name nine_b src/solutions/nine_b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0439101fc05d39b0 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name six_b src/solutions/six_b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ca20025ce64e6422 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name eleven_a src/solutions/eleven_a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=25a3226502dc1949 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name two_b src/solutions/two_b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=88ff392946f05b76 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name four_a src/solutions/four_a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a0b424295420bcc7 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_of_code_2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ten_a src/solutions/ten_a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b6f1fec0fb2fd1cb -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-bf9d81bdeca77316.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7dbcf18a3becf4706593b1765bda38c4aafe16f7b89271cda8324b26c4b9f377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbcf18a3becf4706593b1765bda38c4aafe16f7b89271cda8324b26c4b9f377", kill_on_drop: false }`
[INFO] [stdout] 7dbcf18a3becf4706593b1765bda38c4aafe16f7b89271cda8324b26c4b9f377