[INFO] updating cached repository https://github.com/emmericp/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f455be1c256fb603b5438b1adc1d89d3bd3e4de1
[INFO] documenting emmericp/advent-of-code-2019 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmericp%2Fadvent-of-code-2019" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emmericp/advent-of-code-2019 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emmericp/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/emmericp/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/emmericp/advent-of-code-2019 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/emmericp/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26d67b40797e0625925e0e78942e2106d69f91914bc9c192dbb7f6594f058c85
[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" "26d67b40797e0625925e0e78942e2106d69f91914bc9c192dbb7f6594f058c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d67b40797e0625925e0e78942e2106d69f91914bc9c192dbb7f6594f058c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d67b40797e0625925e0e78942e2106d69f91914bc9c192dbb7f6594f058c85", kill_on_drop: false }`
[INFO] [stdout] 26d67b40797e0625925e0e78942e2106d69f91914bc9c192dbb7f6594f058c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47fccc768aaed05c2598ed8e9f165407bbc2f7e15e3e84cae760fdb0058cff3e
[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" "47fccc768aaed05c2598ed8e9f165407bbc2f7e15e3e84cae760fdb0058cff3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking modinverse v0.1.1
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking mod_exp v1.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[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 --edition=2018 --crate-type bin --crate-name day12 src/bin/day12.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code=/opt/rustwide/target/debug/deps/libadvent_of_code-420d1b9e5ca86741.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-130cc2c7201be4b8.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-bd81d9a2ae972d98.rmeta --extern mod_exp=/opt/rustwide/target/debug/deps/libmod_exp-9baf604fec1b0f7b.rmeta --extern modinverse=/opt/rustwide/target/debug/deps/libmodinverse-28887190350c77b1.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-cb8a80df01564678.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-23def053454a6ad8.rmeta --cap-lints=forbid` (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" "47fccc768aaed05c2598ed8e9f165407bbc2f7e15e3e84cae760fdb0058cff3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fccc768aaed05c2598ed8e9f165407bbc2f7e15e3e84cae760fdb0058cff3e", kill_on_drop: false }`
[INFO] [stdout] 47fccc768aaed05c2598ed8e9f165407bbc2f7e15e3e84cae760fdb0058cff3e