[INFO] cloning repository https://github.com/dmikusa/pc4d-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmikusa/pc4d-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmikusa%2Fpc4d-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmikusa%2Fpc4d-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fadae8502bd6ad35ae62b6fedcbf6d93c82285cb
[INFO] documenting dmikusa/pc4d-rust against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmikusa%2Fpc4d-rust" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmikusa/pc4d-rust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmikusa/pc4d-rust
[INFO] finished tweaking git repo https://github.com/dmikusa/pc4d-rust
[INFO] tweaked toml for git repo https://github.com/dmikusa/pc4d-rust written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/dmikusa/pc4d-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sodiumoxide v0.2.5
[INFO] [stderr]   Downloaded libsodium-sys v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa7a8471b5b324b6a1d4958177b927a33be2da6aa6805c9a205b55a3bf4083d8
[INFO] running `Command { std: "docker" "start" "-a" "fa7a8471b5b324b6a1d4958177b927a33be2da6aa6805c9a205b55a3bf4083d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa7a8471b5b324b6a1d4958177b927a33be2da6aa6805c9a205b55a3bf4083d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7a8471b5b324b6a1d4958177b927a33be2da6aa6805c9a205b55a3bf4083d8", kill_on_drop: false }`
[INFO] [stdout] fa7a8471b5b324b6a1d4958177b927a33be2da6aa6805c9a205b55a3bf4083d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c1842f152e41324f2c232802efa1982e3ffb242b7a19d92210204ae93f25a9
[INFO] running `Command { std: "docker" "start" "-a" "e7c1842f152e41324f2c232802efa1982e3ffb242b7a19d92210204ae93f25a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking block-padding v0.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]     Checking sodiumoxide v0.2.5
[INFO] [stderr]  Documenting pc4d-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `pc4d-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name pc4d_rust src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-97875349cab274e6.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-9a8c81833a6cabc2.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-cb791fc9c2e4e641.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-40120eb4fc9ebfb7.rmeta --extern sodiumoxide=/opt/rustwide/target/debug/deps/libsodiumoxide-c8f6e64e78edaa46.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" "e7c1842f152e41324f2c232802efa1982e3ffb242b7a19d92210204ae93f25a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c1842f152e41324f2c232802efa1982e3ffb242b7a19d92210204ae93f25a9", kill_on_drop: false }`
[INFO] [stdout] e7c1842f152e41324f2c232802efa1982e3ffb242b7a19d92210204ae93f25a9