[INFO] cloning repository https://github.com/tetcore/substrate-erc20-multi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcore/substrate-erc20-multi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcore%2Fsubstrate-erc20-multi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcore%2Fsubstrate-erc20-multi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a56e50a975fa97c8939baf6d5cb5eaffa3740cb
[INFO] documenting tetcore/substrate-erc20-multi 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%2Ftetcore%2Fsubstrate-erc20-multi" "/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/tetcore/substrate-erc20-multi 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/tetcore/substrate-erc20-multi
[INFO] finished tweaking git repo https://github.com/tetcore/substrate-erc20-multi
[INFO] tweaked toml for git repo https://github.com/tetcore/substrate-erc20-multi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcore/substrate-erc20-multi 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/parity-common`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded serde_derive v1.0.87
[INFO] [stderr]   Downloaded nohash-hasher v0.1.1
[INFO] [stderr]   Downloaded websocket v0.21.1
[INFO] [stderr]   Downloaded crypto-mac v0.6.2
[INFO] [stderr]   Downloaded asn1_der_derive v0.1.1
[INFO] [stderr]   Downloaded ed25519-dalek v0.8.1
[INFO] [stderr]   Downloaded multistream-select v0.3.0
[INFO] [stderr]   Downloaded parity-ws v0.8.0
[INFO] [stderr]   Downloaded twox-hash v1.1.2
[INFO] [stderr]   Downloaded unsigned-varint v0.2.2
[INFO] [stderr]   Downloaded parity-multihash v0.1.0
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded bigint v4.4.1
[INFO] [stderr]   Downloaded environmental v1.0.0
[INFO] [stderr]   Downloaded static_slice v0.0.3
[INFO] [stderr]   Downloaded pwasm-utils v0.6.2
[INFO] [stderr]   Downloaded tokio-sync v0.1.1
[INFO] [stderr]   Downloaded jsonrpc-ws-server v10.0.1
[INFO] [stderr]   Downloaded curve25519-dalek v1.0.3
[INFO] [stderr]   Downloaded structopt-derive v0.2.14
[INFO] [stderr]   Downloaded paste v0.1.4
[INFO] [stderr]   Downloaded make-cmd v0.1.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v10.0.1
[INFO] [stderr]   Downloaded rocksdb v0.11.0
[INFO] [stderr]   Downloaded structopt v0.2.14
[INFO] [stderr]   Downloaded ctrlc v3.1.1
[INFO] [stderr]   Downloaded wasmi v0.4.3
[INFO] [stderr]   Downloaded paste-impl v0.1.4
[INFO] [stderr]   Downloaded asn1_der v0.6.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.4
[INFO] [stderr]   Downloaded bindgen v0.43.2
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.3
[INFO] [stderr]   Downloaded serde v1.0.87
[INFO] [stderr]   Downloaded subtle v2.0.0
[INFO] [stderr]   Downloaded fixed-hash v0.3.0
[INFO] [stderr]   Downloaded cc v1.0.26
[INFO] [stderr]   Downloaded hmac v0.6.3
[INFO] [stderr]   Downloaded parity-multiaddr v0.1.0
[INFO] [stderr]   Downloaded stdweb v0.4.13
[INFO] [stderr]   Downloaded proc-macro-crate v0.1.3
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.5
[INFO] [stderr]   Downloaded secp256k1 v0.12.2
[INFO] [stderr]   Downloaded quick-error v0.1.4
[INFO] [stderr]   Downloaded block-padding v0.1.3
[INFO] [stderr]   Downloaded hash-db v0.11.0
[INFO] [stderr]   Downloaded protobuf v2.3.0
[INFO] [stderr]   Downloaded aio-limited v0.1.0
[INFO] [stderr]   Downloaded globset v0.4.2
[INFO] [stderr]   Downloaded parity-crypto v0.3.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v10.0.1
[INFO] [stderr]   Downloaded snow v0.5.1
[INFO] [stderr]   Downloaded stream-cipher v0.3.0
[INFO] [stderr]   Downloaded tk-listen v0.2.1
[INFO] [stderr]   Downloaded uint v0.6.1
[INFO] [stderr]   Downloaded primitive-types v0.2.1
[INFO] [stderr]   Downloaded jsonrpc-derive v10.0.2
[INFO] [stderr]   Downloaded base-x v0.2.4
[INFO] [stderr]   Downloaded curve25519-dalek v0.20.0
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.1
[INFO] [stderr]   Downloaded trie-root v0.11.0
[INFO] [stderr]   Downloaded elastic-array v0.10.0
[INFO] [stderr]   Downloaded yamux v0.1.6
[INFO] [stderr]   Downloaded libp2p-kad v0.3.3
[INFO] [stderr]   Downloaded libp2p-identify v0.3.1
[INFO] [stderr]   Downloaded libp2p-websocket v0.3.0
[INFO] [stderr]   Downloaded libp2p-secio v0.3.0
[INFO] [stderr]   Downloaded hash256-std-hasher v0.11.0
[INFO] [stderr]   Downloaded libp2p-core v0.3.4
[INFO] [stderr]   Downloaded libp2p-yamux v0.3.0
[INFO] [stderr]   Downloaded libp2p-uds v0.3.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.1.0
[INFO] [stderr]   Downloaded parity-codec v3.0.0
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded parity-codec-derive v3.0.0
[INFO] [stderr]   Downloaded ctr v0.3.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.3.0
[INFO] [stderr]   Downloaded crunchy v0.2.1
[INFO] [stderr]   Downloaded libp2p-noise v0.1.0
[INFO] [stderr]   Downloaded libp2p-ping v0.3.0
[INFO] [stderr]   Downloaded hex-literal v0.1.2
[INFO] [stderr]   Downloaded libp2p-tcp v0.3.0
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.3.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.3.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.3.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.3.0
[INFO] [stderr]   Downloaded exit-future v0.1.3
[INFO] [stderr]   Downloaded jsonrpc-core v10.0.1
[INFO] [stderr]   Downloaded sysinfo v0.8.0
[INFO] [stderr]   Downloaded trie-db v0.11.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.3.2
[INFO] [stderr]   Downloaded libp2p-dns v0.3.0
[INFO] [stderr]   Downloaded memory-db v0.11.0
[INFO] [stderr]   Downloaded libp2p v0.3.1
[INFO] [stderr]   Downloaded bs58 v0.2.2
[INFO] [stderr]   Downloaded ws v0.7.9
[INFO] [stderr]   Downloaded jsonrpc-http-server v10.0.1
[INFO] [stderr]   Downloaded cexpr v0.3.4
[INFO] [stderr]   Downloaded librocksdb-sys v5.14.3
[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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e09007fa9e43143980b9f1985e0eb8c850c731e91b510f60f51a4d8b6316ae
[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" "a7e09007fa9e43143980b9f1985e0eb8c850c731e91b510f60f51a4d8b6316ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e09007fa9e43143980b9f1985e0eb8c850c731e91b510f60f51a4d8b6316ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e09007fa9e43143980b9f1985e0eb8c850c731e91b510f60f51a4d8b6316ae", kill_on_drop: false }`
[INFO] [stdout] a7e09007fa9e43143980b9f1985e0eb8c850c731e91b510f60f51a4d8b6316ae
[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" "+beta-2021-08-01" "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] 22e68e08ba2ff7640f73ef1b69589aa5b582665e98e14542f500f871153a7290
[INFO] running `Command { std: "docker" "start" "-a" "22e68e08ba2ff7640f73ef1b69589aa5b582665e98e14542f500f871153a7290", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking hash-db v0.11.0
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking environmental v1.0.0
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling protobuf v2.3.0
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling sysinfo v0.8.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]     Checking trie-root v0.11.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling sr-std v0.1.0 (https://github.com/paritytech/substrate.git?rev=6288a4774a5ca57832896f6c501ba04aa6ef398c#6288a477)
[INFO] [stderr]    Compiling sr-io v0.1.0 (https://github.com/paritytech/substrate.git?rev=6288a4774a5ca57832896f6c501ba04aa6ef398c#6288a477)
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling snow v0.5.1
[INFO] [stderr]    Compiling sr-sandbox v0.1.0 (https://github.com/paritytech/substrate.git?rev=6288a4774a5ca57832896f6c501ba04aa6ef398c#6288a477)
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]     Checking elastic-array v0.10.0
[INFO] [stderr]     Checking memory-db v0.11.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]     Checking hex-literal v0.1.2
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[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 parking_lot_core v0.3.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking ctr v0.3.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]    Compiling cexpr v0.3.4
[INFO] [stderr]     Checking hash256-std-hasher v0.11.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking uint v0.6.1
[INFO] [stderr]     Checking fixed-hash v0.3.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[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-0.6.5/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=ec985b0607a78dbc -C extra-filename=-ec985b0607a78dbc --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" "22e68e08ba2ff7640f73ef1b69589aa5b582665e98e14542f500f871153a7290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e68e08ba2ff7640f73ef1b69589aa5b582665e98e14542f500f871153a7290", kill_on_drop: false }`
[INFO] [stdout] 22e68e08ba2ff7640f73ef1b69589aa5b582665e98e14542f500f871153a7290
