[INFO] cloning repository https://github.com/sourcefrog/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sourcefrog/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcefrog%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcefrog%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2b732167fffc073e5950d9e0ca77c21c3775ab8
[INFO] documenting sourcefrog/aoc2018 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcefrog%2Faoc2018" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sourcefrog/aoc2018 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sourcefrog/aoc2018
[INFO] finished tweaking git repo https://github.com/sourcefrog/aoc2018
[INFO] tweaked toml for git repo https://github.com/sourcefrog/aoc2018 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sourcefrog/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65b25dcaa9c782ca7fe75297200bd014c704b457cd3bcf4c91b5a92924478b1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "65b25dcaa9c782ca7fe75297200bd014c704b457cd3bcf4c91b5a92924478b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65b25dcaa9c782ca7fe75297200bd014c704b457cd3bcf4c91b5a92924478b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b25dcaa9c782ca7fe75297200bd014c704b457cd3bcf4c91b5a92924478b1f", kill_on_drop: false }`
[INFO] [stdout] 65b25dcaa9c782ca7fe75297200bd014c704b457cd3bcf4c91b5a92924478b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 5335f54c07c8a23a2e46d67baec2ecd341868a2d2e1b80fab58614eb91c8f003
[INFO] running `Command { std: "docker" "start" "-a" "5335f54c07c8a23a2e46d67baec2ecd341868a2d2e1b80fab58614eb91c8f003", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking itertools v0.8.0
[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]     Checking pest v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `aoc2018`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name aoc23 src/bin/aoc23.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-0fa7d18ce200f9cb.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-7b7b603c1c23cdc4.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-d9b4b658eae13ced.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-a9afee345b3b2c86.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-3e76fa70f8bf5884.so --extern regex=/opt/rustwide/target/debug/deps/libregex-601bed4b74ac5015.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" "5335f54c07c8a23a2e46d67baec2ecd341868a2d2e1b80fab58614eb91c8f003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5335f54c07c8a23a2e46d67baec2ecd341868a2d2e1b80fab58614eb91c8f003", kill_on_drop: false }`
[INFO] [stdout] 5335f54c07c8a23a2e46d67baec2ecd341868a2d2e1b80fab58614eb91c8f003