[INFO] cloning repository https://github.com/Nick-Pearson/advent-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nick-Pearson/advent-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNick-Pearson%2Fadvent-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNick-Pearson%2Fadvent-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fffe3838c97d955c1943e26e66639fe5b8731ddb
[INFO] documenting Nick-Pearson/advent-2021 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%2FNick-Pearson%2Fadvent-2021" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nick-Pearson/advent-2021 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/Nick-Pearson/advent-2021
[INFO] finished tweaking git repo https://github.com/Nick-Pearson/advent-2021
[INFO] tweaked toml for git repo https://github.com/Nick-Pearson/advent-2021 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Nick-Pearson/advent-2021 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]  Downloading crates ...
[INFO] [stderr]   Downloaded joinery v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 440ad21c5e219035124f8f55b9da92ed1c440170d8117afca0fcd16e179e3b21
[INFO] running `Command { std: "docker" "start" "-a" "440ad21c5e219035124f8f55b9da92ed1c440170d8117afca0fcd16e179e3b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "440ad21c5e219035124f8f55b9da92ed1c440170d8117afca0fcd16e179e3b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440ad21c5e219035124f8f55b9da92ed1c440170d8117afca0fcd16e179e3b21", kill_on_drop: false }`
[INFO] [stdout] 440ad21c5e219035124f8f55b9da92ed1c440170d8117afca0fcd16e179e3b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 89d7b35d71b71e71714b692a99c7d661d6842c81edc84e4200dbf5bcef72a40f
[INFO] running `Command { std: "docker" "start" "-a" "89d7b35d71b71e71714b692a99c7d661d6842c81edc84e4200dbf5bcef72a40f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]  Documenting advent-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 14 src/14/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d9f7eb1a51cc98e7 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-1c8f11b4b2a008a9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ea4fc8c4b83c5746.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-309fd527e4d8e12a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4ee94410298c26da.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-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 6 src/6/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1dc21e8d63847381 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-1c8f11b4b2a008a9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ea4fc8c4b83c5746.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-309fd527e4d8e12a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4ee94410298c26da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 18 src/18/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8e8ccc551b877769 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-1c8f11b4b2a008a9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ea4fc8c4b83c5746.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-309fd527e4d8e12a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4ee94410298c26da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 9 src/9/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=aca1b1ee3e1d1331 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-1c8f11b4b2a008a9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ea4fc8c4b83c5746.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-309fd527e4d8e12a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4ee94410298c26da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 1 src/1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=52fa36bb97bf3dbe -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-1c8f11b4b2a008a9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ea4fc8c4b83c5746.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-309fd527e4d8e12a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4ee94410298c26da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 2 src/2/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ff0bbd90ea44280b -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-1c8f11b4b2a008a9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ea4fc8c4b83c5746.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-309fd527e4d8e12a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4ee94410298c26da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 17 src/17/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=92e445337ca37a9e -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-1c8f11b4b2a008a9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ea4fc8c4b83c5746.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-309fd527e4d8e12a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4ee94410298c26da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 16 src/16/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=36ff5f5ceaa39eaf -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-1c8f11b4b2a008a9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ea4fc8c4b83c5746.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-309fd527e4d8e12a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4ee94410298c26da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "89d7b35d71b71e71714b692a99c7d661d6842c81edc84e4200dbf5bcef72a40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d7b35d71b71e71714b692a99c7d661d6842c81edc84e4200dbf5bcef72a40f", kill_on_drop: false }`
[INFO] [stdout] 89d7b35d71b71e71714b692a99c7d661d6842c81edc84e4200dbf5bcef72a40f