[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 beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmikusa%2Fpc4d-rust" "/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/dmikusa/pc4d-rust on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2020-08-29" "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] 696aeebe33000f5cdd0c08d7fced693a376a8c7f7de9219137480da3aa8a4301
[INFO] running `Command { std: "docker" "start" "-a" "696aeebe33000f5cdd0c08d7fced693a376a8c7f7de9219137480da3aa8a4301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "696aeebe33000f5cdd0c08d7fced693a376a8c7f7de9219137480da3aa8a4301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696aeebe33000f5cdd0c08d7fced693a376a8c7f7de9219137480da3aa8a4301", kill_on_drop: false }`
[INFO] [stdout] 696aeebe33000f5cdd0c08d7fced693a376a8c7f7de9219137480da3aa8a4301
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbfe2ffb127f472a602cdee41fc4708d6ea69f0e4118b31322abdbf2c2d6cf9b
[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" "bbfe2ffb127f472a602cdee41fc4708d6ea69f0e4118b31322abdbf2c2d6cf9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking block-padding v0.2.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling tar v0.4.26
[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 decrypt src/bin/decrypt/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/libbase64-301ff4ddca327bfb.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-4560dbc5234fa29e.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-7f8f655c4b9db996.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-0d0188d85b307dc4.rmeta --extern sodiumoxide=/opt/rustwide/target/debug/deps/libsodiumoxide-9bc5b9281394bdb3.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" "bbfe2ffb127f472a602cdee41fc4708d6ea69f0e4118b31322abdbf2c2d6cf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfe2ffb127f472a602cdee41fc4708d6ea69f0e4118b31322abdbf2c2d6cf9b", kill_on_drop: false }`
[INFO] [stdout] bbfe2ffb127f472a602cdee41fc4708d6ea69f0e4118b31322abdbf2c2d6cf9b