[INFO] cloning repository https://github.com/albert-gonzalez/advent-of-code-2021-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/albert-gonzalez/advent-of-code-2021-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbert-gonzalez%2Fadvent-of-code-2021-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbert-gonzalez%2Fadvent-of-code-2021-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca5fbea8401c26706f179495ed62116c5142f31a
[INFO] documenting albert-gonzalez/advent-of-code-2021-rust 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%2Falbert-gonzalez%2Fadvent-of-code-2021-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/albert-gonzalez/advent-of-code-2021-rust 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/albert-gonzalez/advent-of-code-2021-rust
[INFO] finished tweaking git repo https://github.com/albert-gonzalez/advent-of-code-2021-rust
[INFO] tweaked toml for git repo https://github.com/albert-gonzalez/advent-of-code-2021-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/albert-gonzalez/advent-of-code-2021-rust 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 508a385c9369511a5597b25ed4d5a150e74bc09155a12268e96bf6dd1eca5ad5
[INFO] running `Command { std: "docker" "start" "-a" "508a385c9369511a5597b25ed4d5a150e74bc09155a12268e96bf6dd1eca5ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "508a385c9369511a5597b25ed4d5a150e74bc09155a12268e96bf6dd1eca5ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508a385c9369511a5597b25ed4d5a150e74bc09155a12268e96bf6dd1eca5ad5", kill_on_drop: false }`
[INFO] [stdout] 508a385c9369511a5597b25ed4d5a150e74bc09155a12268e96bf6dd1eca5ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bfe915214fbfa99ed123573fdcea81ca70a5c3964936b79f1c64f4a7aad775ee
[INFO] running `Command { std: "docker" "start" "-a" "bfe915214fbfa99ed123573fdcea81ca70a5c3964936b79f1c64f4a7aad775ee", 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=2021 --crate-type bin --crate-name day17 src/bin/day17/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d74b2b06cf1c8b1c -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=2021 --crate-type bin --crate-name day13_1 src/bin/day13_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=86fcd059200c39db -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=2021 --crate-type bin --crate-name day4_2 src/bin/day4_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e25b5dfacaf3ee12 -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=2021 --crate-type bin --crate-name day6 src/bin/day6/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8e93b84dc08ea96b -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=2021 --crate-type bin --crate-name day3_2 src/bin/day3_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=48dcf30c26a82550 -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=2021 --crate-type bin --crate-name day7_2 src/bin/day7_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9600c79a9644b3e3 -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=2021 --crate-type bin --crate-name day18_1 src/bin/day18_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7395b6ca916c3fdb -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=2021 --crate-type bin --crate-name day7_1 src/bin/day7_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=969805272d6152fa -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=2021 --crate-type bin --crate-name day1_1 src/bin/day1_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e38f76fa843c9406 -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=2021 --crate-type bin --crate-name day5_1 src/bin/day5_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=09ab900c4d0150f8 -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=2021 --crate-type bin --crate-name day8_2 src/bin/day8_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c840bb9b77341fc1 -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=2021 --crate-type bin --crate-name day15_2 src/bin/day15_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f151699d582854cc -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=2021 --crate-type bin --crate-name day10_1 src/bin/day10_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d8c317e2409b92fa -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=2021 --crate-type bin --crate-name day4_1 src/bin/day4_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=151229a5c8ec72cc -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=2021 --crate-type bin --crate-name day5_2 src/bin/day5_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a7a629eec7c60752 -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=2021 --crate-type bin --crate-name day8_1 src/bin/day8_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6fd0aaed17a521de -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=2021 --crate-type bin --crate-name day1_2 src/bin/day1_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ab0089967adfb0c8 -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=2021 --crate-type bin --crate-name day13_2 src/bin/day13_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0807a2f9506d4aa0 -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=2021 --crate-type bin --crate-name day12_1 src/bin/day12_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6b7fb3a742b8c79e -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=2021 --crate-type bin --crate-name day16_1 src/bin/day16_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=13166d966e0eba9e -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=2021 --crate-type bin --crate-name day2_1 src/bin/day2_1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b8ed840641b19f61 -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=2021 --crate-type bin --crate-name day10_2 src/bin/day10_2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8751cb555a1a61fc -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" "bfe915214fbfa99ed123573fdcea81ca70a5c3964936b79f1c64f4a7aad775ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe915214fbfa99ed123573fdcea81ca70a5c3964936b79f1c64f4a7aad775ee", kill_on_drop: false }`
[INFO] [stdout] bfe915214fbfa99ed123573fdcea81ca70a5c3964936b79f1c64f4a7aad775ee