[INFO] cloning repository https://github.com/hardliner66/aoc_2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hardliner66/aoc_2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardliner66%2Faoc_2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardliner66%2Faoc_2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29cebef4a03e45d548918ad8e6b42a4017613b4c
[INFO] documenting hardliner66/aoc_2015 against 1.55.0 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardliner66%2Faoc_2015" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hardliner66/aoc_2015 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hardliner66/aoc_2015
[INFO] finished tweaking git repo https://github.com/hardliner66/aoc_2015
[INFO] tweaked toml for git repo https://github.com/hardliner66/aoc_2015 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/hardliner66/aoc_2015 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd9e309b7c1770680a6b96bdc4befbef68819ad0ca44bb34613627a1ae554f2d
[INFO] running `Command { std: "docker" "start" "-a" "fd9e309b7c1770680a6b96bdc4befbef68819ad0ca44bb34613627a1ae554f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9e309b7c1770680a6b96bdc4befbef68819ad0ca44bb34613627a1ae554f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9e309b7c1770680a6b96bdc4befbef68819ad0ca44bb34613627a1ae554f2d", kill_on_drop: false }`
[INFO] [stdout] fd9e309b7c1770680a6b96bdc4befbef68819ad0ca44bb34613627a1ae554f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5db1adfdab699566a740073c0de855335f1d515912127019e7933f2596fe1f57
[INFO] running `Command { std: "docker" "start" "-a" "5db1adfdab699566a740073c0de855335f1d515912127019e7933f2596fe1f57", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking char_combinator v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]  Documenting aoc_2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `aoc_2015`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name aoc_01_2 src/bin/aoc_01_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern char_combinator=/opt/rustwide/target/debug/deps/libchar_combinator-2f1048d50af8c1b7.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-b724c59f96925c10.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-4b072916b4a84311.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-8a144e2b4ffa52ea.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-04f32481e0275c4c.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: build failed
[INFO] running `Command { std: "docker" "inspect" "5db1adfdab699566a740073c0de855335f1d515912127019e7933f2596fe1f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db1adfdab699566a740073c0de855335f1d515912127019e7933f2596fe1f57", kill_on_drop: false }`
[INFO] [stdout] 5db1adfdab699566a740073c0de855335f1d515912127019e7933f2596fe1f57