[INFO] cloning repository https://github.com/samlet/subs.node
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samlet/subs.node" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamlet%2Fsubs.node", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamlet%2Fsubs.node'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b644319eb886151d0228cee375399ea5e3c4b6e
[INFO] documenting samlet/subs.node 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%2Fsamlet%2Fsubs.node" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samlet/subs.node 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/samlet/subs.node
[INFO] finished tweaking git repo https://github.com/samlet/subs.node
[INFO] tweaked toml for git repo https://github.com/samlet/subs.node written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/samlet/subs.node 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 971c11bce1fab1efee06e183dc562e88b86acee0bd495f2656edeb4194114d84
[INFO] running `Command { std: "docker" "start" "-a" "971c11bce1fab1efee06e183dc562e88b86acee0bd495f2656edeb4194114d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971c11bce1fab1efee06e183dc562e88b86acee0bd495f2656edeb4194114d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971c11bce1fab1efee06e183dc562e88b86acee0bd495f2656edeb4194114d84", kill_on_drop: false }`
[INFO] [stdout] 971c11bce1fab1efee06e183dc562e88b86acee0bd495f2656edeb4194114d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4adc55d63c55713b4dd14065533e123f4846a8ed557b47f2e7495035e5c31388
[INFO] running `Command { std: "docker" "start" "-a" "4adc55d63c55713b4dd14065533e123f4846a8ed557b47f2e7495035e5c31388", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking sp-std v2.0.0-rc5 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]    Compiling sysinfo v0.14.15
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-rc5 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0-rc5 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]     Checking fdlimit v0.1.4
[INFO] [stderr]     Checking libflate v1.0.2
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0-rc5 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.1
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0-rc5 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc5#e00d78cb)
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking parity-db v0.1.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.17.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=7f0ee50c94419e67 -C extra-filename=-7f0ee50c94419e67 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c759f8d07719039e.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-20b9f5fb82bebd1b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-79b905433a2ce7bf.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-eae1dd934cd0d2bb.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" "4adc55d63c55713b4dd14065533e123f4846a8ed557b47f2e7495035e5c31388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adc55d63c55713b4dd14065533e123f4846a8ed557b47f2e7495035e5c31388", kill_on_drop: false }`
[INFO] [stdout] 4adc55d63c55713b4dd14065533e123f4846a8ed557b47f2e7495035e5c31388
