[INFO] cloning repository https://github.com/df5602/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/df5602/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c63dda1ca30144e699f0be41430d9f9c5cfe396
[INFO] documenting df5602/aoc against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Faoc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/df5602/aoc on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/df5602/aoc
[INFO] finished tweaking git repo https://github.com/df5602/aoc
[INFO] tweaked toml for git repo https://github.com/df5602/aoc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/df5602/aoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adhoc_derive v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2376b8da826100d0348a5dbe276797417932cde0924b3726fb1426469148be55
[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" "2376b8da826100d0348a5dbe276797417932cde0924b3726fb1426469148be55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2376b8da826100d0348a5dbe276797417932cde0924b3726fb1426469148be55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2376b8da826100d0348a5dbe276797417932cde0924b3726fb1426469148be55", kill_on_drop: false }`
[INFO] [stdout] 2376b8da826100d0348a5dbe276797417932cde0924b3726fb1426469148be55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143853a9de0715e469746eb2e45fabec7a5b56fb2f46cdd98d71988125ff98b2
[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" "143853a9de0715e469746eb2e45fabec7a5b56fb2f46cdd98d71988125ff98b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]  Documenting util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]  Documenting chocolate_charts v0.1.0 (/opt/rustwide/workdir/chocolate_charts)
[INFO] [stderr]  Documenting go_with_the_flow v0.1.0 (/opt/rustwide/workdir/go_with_the_flow)
[INFO] [stderr]  Documenting settlers_of_the_north_pole v0.1.0 (/opt/rustwide/workdir/settlers_of_the_north_pole)
[INFO] [stderr]  Documenting alchemical_reduction v0.1.0 (/opt/rustwide/workdir/alchemical_reduction)
[INFO] [stderr]  Documenting memory_maneuver v0.1.0 (/opt/rustwide/workdir/memory_maneuver)
[INFO] [stderr]  Documenting chronal_conversion v0.1.0 (/opt/rustwide/workdir/chronal_conversion)
[INFO] [stderr]  Documenting chronal_calibration v0.1.0 (/opt/rustwide/workdir/chronal_calibration)
[INFO] [stderr]  Documenting experimental_emergency_teleportation v0.1.0 (/opt/rustwide/workdir/experimental_emergency_teleportation)
[INFO] [stderr]  Documenting a_regular_map v0.1.0 (/opt/rustwide/workdir/a_regular_map)
[INFO] [stderr]  Documenting subterranean_sustainability v0.1.0 (/opt/rustwide/workdir/subterranean_sustainability)
[INFO] [stderr]  Documenting immune_system_simulator_20xx v0.1.0 (/opt/rustwide/workdir/immune_system_simulator_20xx)
[INFO] [stderr]  Documenting inventory_management_system v0.1.0 (/opt/rustwide/workdir/inventory_management_system)
[INFO] [stderr]  Documenting reservoir_research v0.1.0 (/opt/rustwide/workdir/reservoir_research)
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.23/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=0aa3af550374035c -C extra-filename=-0aa3af550374035c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9c137c629960c36d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c7a87e830a1e788a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17566c89b81f032a.rmeta --cap-lints allow` (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" "143853a9de0715e469746eb2e45fabec7a5b56fb2f46cdd98d71988125ff98b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143853a9de0715e469746eb2e45fabec7a5b56fb2f46cdd98d71988125ff98b2", kill_on_drop: false }`
[INFO] [stdout] 143853a9de0715e469746eb2e45fabec7a5b56fb2f46cdd98d71988125ff98b2
