[INFO] cloning repository https://github.com/wischli/substrate-blockchain-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wischli/substrate-blockchain-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwischli%2Fsubstrate-blockchain-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwischli%2Fsubstrate-blockchain-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62e5ff151acc12b8065edcdc00d7cc742fd076e5
[INFO] documenting wischli/substrate-blockchain-test 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%2Fwischli%2Fsubstrate-blockchain-test" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/wischli/substrate-blockchain-test 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/wischli/substrate-blockchain-test
[INFO] finished tweaking git repo https://github.com/wischli/substrate-blockchain-test
[INFO] tweaked toml for git repo https://github.com/wischli/substrate-blockchain-test written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wischli/substrate-blockchain-test 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db2da304ee537862fd5681e2c20b298f62da5176185c40811025c86e75befbed
[INFO] running `Command { std: "docker" "start" "-a" "db2da304ee537862fd5681e2c20b298f62da5176185c40811025c86e75befbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2da304ee537862fd5681e2c20b298f62da5176185c40811025c86e75befbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2da304ee537862fd5681e2c20b298f62da5176185c40811025c86e75befbed", kill_on_drop: false }`
[INFO] [stdout] db2da304ee537862fd5681e2c20b298f62da5176185c40811025c86e75befbed
[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] 0fe6826e6f15f8942397d7ed2f262fcc50e1c8f79fcae688808a28f8553ab950
[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" "0fe6826e6f15f8942397d7ed2f262fcc50e1c8f79fcae688808a28f8553ab950", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]     Checking hash-db v0.12.4
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]     Checking hashmap_core v0.1.10
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]     Checking zeroize v0.5.2
[INFO] [stderr]     Checking environmental v1.0.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]     Checking safemem v0.3.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking strum v0.14.0
[INFO] [stderr]    Compiling sysinfo v0.8.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]    Compiling sr-std v1.0.0 (https://github.com/paritytech/substrate.git?rev=fc206f3a009b64fc746202e5b4c701bf7e24d1f1#fc206f3a)
[INFO] [stderr]    Compiling sr-io v1.0.0 (https://github.com/paritytech/substrate.git?rev=fc206f3a009b64fc746202e5b4c701bf7e24d1f1#fc206f3a)
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking bstr v0.2.6
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking hash256-std-hasher v0.12.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-scope v4.1.2
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking trie-root v0.12.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking hex-literal v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling strum_macros v0.14.0
[INFO] [stderr]    Compiling libp2p-core-derive v0.7.0
[INFO] [stderr]    Compiling srml-support-procedural-tools-derive v1.0.0 (https://github.com/paritytech/substrate.git?rev=fc206f3a009b64fc746202e5b4c701bf7e24d1f1#fc206f3a)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling jsonrpc-derive v10.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking env_logger v0.6.2
[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=a63a07c287f59700 -C extra-filename=-a63a07c287f59700 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-171b34ce03b222d5.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-6b87159e06a3e777.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a2291970c7d2f9ec.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-94ef9d016045abf1.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" "0fe6826e6f15f8942397d7ed2f262fcc50e1c8f79fcae688808a28f8553ab950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe6826e6f15f8942397d7ed2f262fcc50e1c8f79fcae688808a28f8553ab950", kill_on_drop: false }`
[INFO] [stdout] 0fe6826e6f15f8942397d7ed2f262fcc50e1c8f79fcae688808a28f8553ab950
