[INFO] cloning repository https://github.com/ocstl/advent_of_code_2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ocstl/advent_of_code_2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focstl%2Fadvent_of_code_2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focstl%2Fadvent_of_code_2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c272977ccb793734d1feceacf14ff30e35e234ef
[INFO] documenting ocstl/advent_of_code_2015 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%2Focstl%2Fadvent_of_code_2015" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ocstl/advent_of_code_2015 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/ocstl/advent_of_code_2015
[INFO] finished tweaking git repo https://github.com/ocstl/advent_of_code_2015
[INFO] tweaked toml for git repo https://github.com/ocstl/advent_of_code_2015 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ocstl/advent_of_code_2015 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ca27419489462073c6d009eb2b26f5041c20243d34d49e4762ad86981d95cea
[INFO] running `Command { std: "docker" "start" "-a" "3ca27419489462073c6d009eb2b26f5041c20243d34d49e4762ad86981d95cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca27419489462073c6d009eb2b26f5041c20243d34d49e4762ad86981d95cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca27419489462073c6d009eb2b26f5041c20243d34d49e4762ad86981d95cea", kill_on_drop: false }`
[INFO] [stdout] 3ca27419489462073c6d009eb2b26f5041c20243d34d49e4762ad86981d95cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 58cedcf85dbb0f2f3f6523c483daf215c96babeb726d520b7d8babf9353fc5d2
[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" "58cedcf85dbb0f2f3f6523c483daf215c96babeb726d520b7d8babf9353fc5d2", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking advent_of_code_2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting advent_of_code_2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `advent_of_code_2015`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day23 src/bin/day23.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_2015=/opt/rustwide/target/debug/deps/libadvent_of_code_2015-2ed18cf188b5cd10.rmeta --extern encoding=/opt/rustwide/target/debug/deps/libencoding-ca1e73ab3b45ad43.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-2e51cc70180604e6.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-468ac83332335846.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-476c7da6e7614d21.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-88a5e98a164ca7e4.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" "58cedcf85dbb0f2f3f6523c483daf215c96babeb726d520b7d8babf9353fc5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cedcf85dbb0f2f3f6523c483daf215c96babeb726d520b7d8babf9353fc5d2", kill_on_drop: false }`
[INFO] [stdout] 58cedcf85dbb0f2f3f6523c483daf215c96babeb726d520b7d8babf9353fc5d2