[INFO] cloning repository https://github.com/gadomski/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gadomski/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgadomski%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgadomski%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2f46cf68a3f653ae0c694e11223079bb1d2e310
[INFO] documenting gadomski/advent-of-code 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%2Fgadomski%2Fadvent-of-code" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gadomski/advent-of-code 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/gadomski/advent-of-code
[INFO] finished tweaking git repo https://github.com/gadomski/advent-of-code
[INFO] tweaked toml for git repo https://github.com/gadomski/advent-of-code written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/gadomski/advent-of-code 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.7
[INFO] [stderr]   Downloaded pbr v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] ac78f132e0f1d024b6bd6e237005ad8dc3a5e5114d472e8ae3410977da814c6f
[INFO] running `Command { std: "docker" "start" "-a" "ac78f132e0f1d024b6bd6e237005ad8dc3a5e5114d472e8ae3410977da814c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac78f132e0f1d024b6bd6e237005ad8dc3a5e5114d472e8ae3410977da814c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac78f132e0f1d024b6bd6e237005ad8dc3a5e5114d472e8ae3410977da814c6f", kill_on_drop: false }`
[INFO] [stdout] ac78f132e0f1d024b6bd6e237005ad8dc3a5e5114d472e8ae3410977da814c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] f602a1a23c624b6f6c8feaad56d89b65a3e7eabd7b266a0bf3ed040679c8e092
[INFO] running `Command { std: "docker" "start" "-a" "f602a1a23c624b6f6c8feaad56d89b65a3e7eabd7b266a0bf3ed040679c8e092", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking pbr v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]  Documenting advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-of-code`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day_13 src/13.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0fd9c3c3c488aa97 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-da8b80d13ad519ea.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-b24e2e98b1404613.rmeta --extern pbr=/opt/rustwide/target/debug/deps/libpbr-6f3f47c170248435.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7c1747aebb8d5175.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-8d94e17c4b32a2da.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`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day_03 src/03.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=236a34b51ba34c17 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-da8b80d13ad519ea.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-b24e2e98b1404613.rmeta --extern pbr=/opt/rustwide/target/debug/deps/libpbr-6f3f47c170248435.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7c1747aebb8d5175.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-8d94e17c4b32a2da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-of-code`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day_08 src/08.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=05cda15060cecb78 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-da8b80d13ad519ea.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-b24e2e98b1404613.rmeta --extern pbr=/opt/rustwide/target/debug/deps/libpbr-6f3f47c170248435.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7c1747aebb8d5175.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-8d94e17c4b32a2da.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f602a1a23c624b6f6c8feaad56d89b65a3e7eabd7b266a0bf3ed040679c8e092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f602a1a23c624b6f6c8feaad56d89b65a3e7eabd7b266a0bf3ed040679c8e092", kill_on_drop: false }`
[INFO] [stdout] f602a1a23c624b6f6c8feaad56d89b65a3e7eabd7b266a0bf3ed040679c8e092