[INFO] cloning repository https://github.com/nczhu/parachain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nczhu/parachain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnczhu%2Fparachain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnczhu%2Fparachain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a83cf7e1c055368e3f8cc4f14449f794edd37d9
[INFO] documenting nczhu/parachain 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%2Fnczhu%2Fparachain" "/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/nczhu/parachain 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/nczhu/parachain
[INFO] finished tweaking git repo https://github.com/nczhu/parachain
[INFO] tweaked toml for git repo https://github.com/nczhu/parachain written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nczhu/parachain 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-plaintext v0.6.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.1.1
[INFO] [stderr]   Downloaded libp2p-kad v0.6.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.6.0
[INFO] [stderr]   Downloaded libp2p-core v0.6.0
[INFO] [stderr]   Downloaded libp2p-identify v0.6.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.6.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.6.0
[INFO] [stderr]   Downloaded libp2p-ping v0.6.0
[INFO] [stderr]   Downloaded libp2p-noise v0.4.0
[INFO] [stderr]   Downloaded yamux v0.1.9
[INFO] [stderr]   Downloaded libp2p-uds v0.6.0
[INFO] [stderr]   Downloaded proc-macro-crate v0.1.3
[INFO] [stderr]   Downloaded libp2p-floodsub v0.6.0
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.6.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.6.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.6.0
[INFO] [stderr]   Downloaded primitive-types v0.2.1
[INFO] [stderr]   Downloaded parity-multihash v0.1.0
[INFO] [stderr]   Downloaded curve25519-dalek v1.1.3
[INFO] [stderr]   Downloaded libp2p-websocket v0.6.0
[INFO] [stderr]   Downloaded merlin v1.0.3
[INFO] [stderr]   Downloaded uint v0.6.1
[INFO] [stderr]   Downloaded libp2p-secio v0.6.0
[INFO] [stderr]   Downloaded parity-crypto v0.3.0
[INFO] [stderr]   Downloaded libp2p v0.6.0
[INFO] [stderr]   Downloaded sysinfo v0.8.2
[INFO] [stderr]   Downloaded subtle v2.0.0
[INFO] [stderr]   Downloaded libp2p-dns v0.6.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.2.0
[INFO] [stderr]   Downloaded websocket v0.22.3
[INFO] [stderr]   Downloaded tiny-bip39 v0.6.1
[INFO] [stderr]   Downloaded parity-codec v3.4.0
[INFO] [stderr]   Downloaded protobuf v2.4.2
[INFO] [stderr]   Downloaded librocksdb-sys v5.17.2
[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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f69e139b1512ae9d471c9115fe39ff9dd665029df0299d41d70fa5c88f65157
[INFO] running `Command { std: "docker" "start" "-a" "5f69e139b1512ae9d471c9115fe39ff9dd665029df0299d41d70fa5c88f65157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f69e139b1512ae9d471c9115fe39ff9dd665029df0299d41d70fa5c88f65157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f69e139b1512ae9d471c9115fe39ff9dd665029df0299d41d70fa5c88f65157", kill_on_drop: false }`
[INFO] [stdout] 5f69e139b1512ae9d471c9115fe39ff9dd665029df0299d41d70fa5c88f65157
[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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47a8016f86b2c5a8cf9d8666b30ee5c6af5322be66b375adcebffc97c6b528c4
[INFO] running `Command { std: "docker" "start" "-a" "47a8016f86b2c5a8cf9d8666b30ee5c6af5322be66b375adcebffc97c6b528c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking hash-db v0.12.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]    Compiling protobuf v2.4.2
[INFO] [stderr]     Checking hashmap_core v0.1.10
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking zeroize v0.5.2
[INFO] [stderr]     Checking environmental v1.0.1
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking strum v0.14.0
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling sysinfo v0.8.2
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]     Checking trie-root v0.12.2
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling sr-std v1.0.0 (https://github.com/paritytech/substrate.git?rev=6dfc3e8b057bb00322136251a0f10305fbb1ad8f#6dfc3e8b)
[INFO] [stderr]    Compiling sr-io v1.0.0 (https://github.com/paritytech/substrate.git?rev=6dfc3e8b057bb00322136251a0f10305fbb1ad8f#6dfc3e8b)
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking elastic-array v0.10.2
[INFO] [stderr]     Checking memory-db v0.12.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking hash256-std-hasher v0.12.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking uint v0.6.1
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking fixed-hash v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.1
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=531aa01135dbef71 -C extra-filename=-531aa01135dbef71 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-85eb10ee6839e3d1.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" "47a8016f86b2c5a8cf9d8666b30ee5c6af5322be66b375adcebffc97c6b528c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a8016f86b2c5a8cf9d8666b30ee5c6af5322be66b375adcebffc97c6b528c4", kill_on_drop: false }`
[INFO] [stdout] 47a8016f86b2c5a8cf9d8666b30ee5c6af5322be66b375adcebffc97c6b528c4
