[INFO] cloning repository https://github.com/ajfrantz/advent2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajfrantz/advent2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajfrantz%2Fadvent2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajfrantz%2Fadvent2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e142839799b03d3b8299bed6e4f1d93e2b1193f3
[INFO] documenting ajfrantz/advent2018 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajfrantz%2Fadvent2018" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajfrantz/advent2018 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ajfrantz/advent2018
[INFO] finished tweaking git repo https://github.com/ajfrantz/advent2018
[INFO] tweaked toml for git repo https://github.com/ajfrantz/advent2018 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ajfrantz/advent2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3407c09ae7557a98e343c5459f07600faac0fb9f3076ca5553ebc09f1ffd13f7
[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" "3407c09ae7557a98e343c5459f07600faac0fb9f3076ca5553ebc09f1ffd13f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3407c09ae7557a98e343c5459f07600faac0fb9f3076ca5553ebc09f1ffd13f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3407c09ae7557a98e343c5459f07600faac0fb9f3076ca5553ebc09f1ffd13f7", kill_on_drop: false }`
[INFO] [stdout] 3407c09ae7557a98e343c5459f07600faac0fb9f3076ca5553ebc09f1ffd13f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838f208e5ac362b53700cb8ed458f267fd440ba7207e699896185e8d5694f7b3
[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" "838f208e5ac362b53700cb8ed458f267fd440ba7207e699896185e8d5694f7b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking slotmap v0.3.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking once_cell v0.1.6
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking cached v0.8.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking pathfinding v1.1.10
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]  Documenting advent2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `advent2018`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 4 src/bin/4.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cached=/opt/rustwide/target/debug/deps/libcached-8b2a76a0cfc773af.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-c942a2677991c54b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-4178002e2f50a665.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-569d590105defa80.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-5b5518edef2ab5cf.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-89e7331781e79443.rmeta --extern slotmap=/opt/rustwide/target/debug/deps/libslotmap-7d99e411ea6ced1a.rmeta --cap-lints=warn` (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" "838f208e5ac362b53700cb8ed458f267fd440ba7207e699896185e8d5694f7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838f208e5ac362b53700cb8ed458f267fd440ba7207e699896185e8d5694f7b3", kill_on_drop: false }`
[INFO] [stdout] 838f208e5ac362b53700cb8ed458f267fd440ba7207e699896185e8d5694f7b3