[INFO] cloning repository https://github.com/gnunicorn/dr-strangelove
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnunicorn/dr-strangelove" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fdr-strangelove", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fdr-strangelove'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04bea0a7dec77274a0353fb3acbe7daaf14101f8
[INFO] documenting gnunicorn/dr-strangelove 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%2Fgnunicorn%2Fdr-strangelove" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnunicorn/dr-strangelove 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/gnunicorn/dr-strangelove
[INFO] finished tweaking git repo https://github.com/gnunicorn/dr-strangelove
[INFO] tweaked toml for git repo https://github.com/gnunicorn/dr-strangelove written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/gnunicorn/dr-strangelove 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 40c2e6c51feb322850c8c22e0a4914190b06d3ea06410796fc0df7cf3a1533a1
[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" "40c2e6c51feb322850c8c22e0a4914190b06d3ea06410796fc0df7cf3a1533a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40c2e6c51feb322850c8c22e0a4914190b06d3ea06410796fc0df7cf3a1533a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c2e6c51feb322850c8c22e0a4914190b06d3ea06410796fc0df7cf3a1533a1", kill_on_drop: false }`
[INFO] [stdout] 40c2e6c51feb322850c8c22e0a4914190b06d3ea06410796fc0df7cf3a1533a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d57f2e8be83411c4ebb3db340e38729f2cd87463eb09e4d5473cc4296e0e6baa
[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" "d57f2e8be83411c4ebb3db340e38729f2cd87463eb09e4d5473cc4296e0e6baa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking parity-wasm v0.40.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]     Checking ipnet v2.0.0
[INFO] [stderr]    Compiling substrate-consensus-slots v2.0.0 (https://github.com/paritytech/substrate.git?rev=7d7e74fb77b6bee2ce9d6ebafcae09caff2d0e50#7d7e74fb)
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.3
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking rpassword v3.0.2
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling sr-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=7d7e74fb77b6bee2ce9d6ebafcae09caff2d0e50#7d7e74fb)
[INFO] [stderr]    Compiling sr-io v2.0.0 (https://github.com/paritytech/substrate.git?rev=7d7e74fb77b6bee2ce9d6ebafcae09caff2d0e50#7d7e74fb)
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking fixed-hash v0.4.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking wasm-timer v0.1.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.12.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling srml-support-procedural-tools-derive v2.0.0 (https://github.com/paritytech/substrate.git?rev=7d7e74fb77b6bee2ce9d6ebafcae09caff2d0e50#7d7e74fb)
[INFO] [stderr]    Compiling slog_derive v0.1.1
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling node-template-runtime v2.0.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.0
[INFO] [stderr]     Checking asn1_der v0.6.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[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-0.14.1/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=d7d56a0415008ed5 -C extra-filename=-d7d56a0415008ed5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e3db6e40bf3ddf64.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-20b9f5fb82bebd1b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-afd3897af307f67e.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" "d57f2e8be83411c4ebb3db340e38729f2cd87463eb09e4d5473cc4296e0e6baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57f2e8be83411c4ebb3db340e38729f2cd87463eb09e4d5473cc4296e0e6baa", kill_on_drop: false }`
[INFO] [stdout] d57f2e8be83411c4ebb3db340e38729f2cd87463eb09e4d5473cc4296e0e6baa
