[INFO] cloning repository https://github.com/totem-tech/totem-meccano-node
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/totem-tech/totem-meccano-node" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem-tech%2Ftotem-meccano-node", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem-tech%2Ftotem-meccano-node'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5d20d8cb33acb51fc4344ca3071b459ca6b0bec
[INFO] testing totem-tech/totem-meccano-node against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem-tech%2Ftotem-meccano-node" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totem-tech/totem-meccano-node on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/totem-tech/totem-meccano-node
[INFO] finished tweaking git repo https://github.com/totem-tech/totem-meccano-node
[INFO] tweaked toml for git repo https://github.com/totem-tech/totem-meccano-node written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/totem-tech/totem-meccano-node already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-codec-derive v3.3.0
[INFO] [stderr]   Downloaded primitive-types v0.2.4
[INFO] [stderr]   Downloaded strum_macros v0.14.0
[INFO] [stderr]   Downloaded hash-db v0.12.4
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.2
[INFO] [stderr]   Downloaded hex-literal v0.1.4
[INFO] [stderr]   Downloaded libp2p-yamux v0.7.0
[INFO] [stderr]   Downloaded uint v0.7.1
[INFO] [stderr]   Downloaded subtle v2.2.1
[INFO] [stderr]   Downloaded substrate-bip39 v0.2.2
[INFO] [stderr]   Downloaded libp2p v0.7.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.7.0
[INFO] [stderr]   Downloaded libp2p-kad v0.7.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v10.1.0
[INFO] [stderr]   Downloaded libp2p-dns v0.7.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.7.0
[INFO] [stderr]   Downloaded pwasm-utils v0.6.2
[INFO] [stderr]   Downloaded parity-crypto v0.3.1
[INFO] [stderr]   Downloaded libp2p-identify v0.7.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.7.0
[INFO] [stderr]   Downloaded zeroize v0.5.2
[INFO] [stderr]   Downloaded parity-ws v0.8.0
[INFO] [stderr]   Downloaded multistream-select v0.4.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v10.1.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.7.0
[INFO] [stderr]   Downloaded aio-limited v0.1.1
[INFO] [stderr]   Downloaded libp2p-core-derive v0.7.0
[INFO] [stderr]   Downloaded impl-codec v0.2.0
[INFO] [stderr]   Downloaded stdweb-derive v0.5.2
[INFO] [stderr]   Downloaded impl-serde v0.2.1
[INFO] [stderr]   Downloaded trie-standardmap v0.12.4
[INFO] [stderr]   Downloaded keccak-hasher v0.12.4
[INFO] [stderr]   Downloaded wabt v0.7.4
[INFO] [stderr]   Downloaded libp2p-tcp v0.7.2
[INFO] [stderr]   Downloaded jsonrpc-derive v10.1.0
[INFO] [stderr]   Downloaded libp2p-uds v0.7.0
[INFO] [stderr]   Downloaded libp2p-secio v0.7.0
[INFO] [stderr]   Downloaded rhododendron v0.5.0
[INFO] [stderr]   Downloaded schnorrkel v0.1.1
[INFO] [stderr]   Downloaded ref_thread_local v0.0.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.10
[INFO] [stderr]   Downloaded sodalite v0.3.0
[INFO] [stderr]   Downloaded index-fixed v0.3.0
[INFO] [stderr]   Downloaded stdweb v0.4.19
[INFO] [stderr]   Downloaded bigint v4.4.1
[INFO] [stderr]   Downloaded jsonrpc-http-server v10.1.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.4.1
[INFO] [stderr]   Downloaded libp2p-noise v0.5.0
[INFO] [stderr]   Downloaded tk-listen v0.2.1
[INFO] [stderr]   Downloaded libp2p-ping v0.7.0
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.7.0
[INFO] [stderr]   Downloaded trie-db v0.12.4
[INFO] [stderr]   Downloaded libp2p-core v0.7.1
[INFO] [stderr]   Downloaded finality-grandpa v0.6.0
[INFO] [stderr]   Downloaded hash256-std-hasher v0.12.4
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.2
[INFO] [stderr]   Downloaded ws v0.7.9
[INFO] [stderr]   Downloaded parity-codec v3.5.4
[INFO] [stderr]   Downloaded jsonrpc-ws-server v10.1.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.2
[INFO] [stderr]   Downloaded sysinfo v0.8.6
[INFO] [stderr]   Downloaded wasmi v0.4.5
[INFO] [stderr]   Downloaded wabt-sys v0.5.4
[INFO] [stderr]   Downloaded fixed-hash v0.3.2
[INFO] [stderr]   Downloaded libp2p-mplex v0.7.0
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.8
[INFO] [stderr]   Downloaded strum v0.14.0
[INFO] [stderr]   Downloaded jsonrpc-core v10.1.0
[INFO] [stderr]   Downloaded parity-util-mem v0.1.0
[INFO] [stderr]   Downloaded trie-root v0.12.4
[INFO] [stderr]   Downloaded memory-db v0.12.4
[INFO] [stderr]   Downloaded trie-bench v0.12.2
[INFO] [stderr]   Downloaded merlin v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 377516300c5088000f22db07d8e2ae809da9cc560c9146dd3e5f79f7479e6d96
[INFO] running `Command { std: "docker" "start" "-a" "377516300c5088000f22db07d8e2ae809da9cc560c9146dd3e5f79f7479e6d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "377516300c5088000f22db07d8e2ae809da9cc560c9146dd3e5f79f7479e6d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377516300c5088000f22db07d8e2ae809da9cc560c9146dd3e5f79f7479e6d96", kill_on_drop: false }`
[INFO] [stdout] 377516300c5088000f22db07d8e2ae809da9cc560c9146dd3e5f79f7479e6d96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04f39628e9f7364a17727bfce288ed641c0d341c54f5f787468d06627ba64249
[INFO] running `Command { std: "docker" "start" "-a" "04f39628e9f7364a17727bfce288ed641c0d341c54f5f787468d06627ba64249", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling subtle v2.2.1
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling hash-db v0.12.4
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling hashmap_core v0.1.11
[INFO] [stderr]    Compiling environmental v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling integer-sqrt v0.1.2
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling zeroize v0.5.2
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling static_slice v0.0.3
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling strum v0.14.0
[INFO] [stderr]    Compiling nohash-hasher v0.1.2
[INFO] [stderr]    Compiling parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling target_info v0.1.0
[INFO] [stderr]    Compiling sysinfo v0.8.6
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling index-fixed v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling trie-root v0.12.4
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling linked_hash_set v0.1.3
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling sodalite v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling sr-std v1.0.0 (/opt/rustwide/workdir/core/sr-std)
[INFO] [stderr]    Compiling sr-io v1.0.0 (/opt/rustwide/workdir/core/sr-io)
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling sr-sandbox v1.0.0 (/opt/rustwide/workdir/core/sr-sandbox)
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling hash256-std-hasher v0.12.4
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-scope v4.1.2
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling parity-wasm v0.31.3
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling bigint v4.4.1
[INFO] [stderr]    Compiling uint v0.7.1
[INFO] [stderr]    Compiling elastic-array v0.10.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling fs-swap v0.2.4
[INFO] [stderr]    Compiling fdlimit v0.1.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling digest v0.7.6
[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-0.6.12/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 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=00609df68f1a6931 -C extra-filename=-00609df68f1a6931 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "04f39628e9f7364a17727bfce288ed641c0d341c54f5f787468d06627ba64249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f39628e9f7364a17727bfce288ed641c0d341c54f5f787468d06627ba64249", kill_on_drop: false }`
[INFO] [stdout] 04f39628e9f7364a17727bfce288ed641c0d341c54f5f787468d06627ba64249