[INFO] cloning repository https://github.com/mkrufky/parity-gangnam-testnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkrufky/parity-gangnam-testnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkrufky%2Fparity-gangnam-testnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkrufky%2Fparity-gangnam-testnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1e2a3f38ae5e0f5d573176e4c065c07e1bfd269
[INFO] checking mkrufky/parity-gangnam-testnet against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkrufky%2Fparity-gangnam-testnet" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkrufky/parity-gangnam-testnet on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-38/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mkrufky/parity-gangnam-testnet
[INFO] finished tweaking git repo https://github.com/mkrufky/parity-gangnam-testnet
[INFO] tweaked toml for git repo https://github.com/mkrufky/parity-gangnam-testnet written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/mkrufky/parity-gangnam-testnet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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/rust-secp256k1`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/app-dirs-rs`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/bn`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/jsonrpc.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/hidapi-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/paritytech/hidapi.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/libusb-rs`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/trezor-sys`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-ctrlc.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/libusb-sys`
[INFO] [stderr]     Updating git repository `https://github.com/tomusdrw/ws-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plain_hasher v0.2.0
[INFO] [stderr]   Downloaded trace-time v0.1.1
[INFO] [stderr]   Downloaded parity-path v0.1.1
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.1
[INFO] [stderr]   Downloaded transaction-pool v1.13.3
[INFO] [stderr]   Downloaded primal-check v0.2.3
[INFO] [stderr]   Downloaded triehash v0.3.0
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded ethbloom v0.5.0
[INFO] [stderr]   Downloaded primal-estimate v0.2.1
[INFO] [stderr]   Downloaded parity-bytes v0.1.0
[INFO] [stderr]   Downloaded parity-rocksdb v0.5.0
[INFO] [stderr]   Downloaded ipnetwork v0.12.8
[INFO] [stderr]   Downloaded tokio-retry v0.1.1
[INFO] [stderr]   Downloaded primal-sieve v0.2.9
[INFO] [stderr]   Downloaded patricia-trie v0.3.0
[INFO] [stderr]   Downloaded multihash v0.8.0
[INFO] [stderr]   Downloaded kvdb v0.1.0
[INFO] [stderr]   Downloaded multibase v0.6.0
[INFO] [stderr]   Downloaded xmltree v0.7.0
[INFO] [stderr]   Downloaded jni v0.10.2
[INFO] [stderr]   Downloaded home v0.3.3
[INFO] [stderr]   Downloaded tokio-rustls v0.7.2
[INFO] [stderr]   Downloaded rustc-hex v1.0.0
[INFO] [stderr]   Downloaded ethabi v6.1.0
[INFO] [stderr]   Downloaded rustls v0.13.1
[INFO] [stderr]   Downloaded rlp v0.2.4
[INFO] [stderr]   Downloaded wasmi v0.3.0
[INFO] [stderr]   Downloaded globset v0.4.2
[INFO] [stderr]   Downloaded edit-distance v2.0.1
[INFO] [stderr]   Downloaded crunchy v0.2.1
[INFO] [stderr]   Downloaded ethabi-contract v6.0.0
[INFO] [stderr]   Downloaded validator_derive v0.8.0
[INFO] [stderr]   Downloaded combine v3.6.1
[INFO] [stderr]   Downloaded transient-hashmap v0.4.1
[INFO] [stderr]   Downloaded nan-preserving-float v0.1.0
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded siphasher v0.1.3
[INFO] [stderr]   Downloaded cid v0.3.0
[INFO] [stderr]   Downloaded daemonize v0.3.0
[INFO] [stderr]   Downloaded interleaved-ordered v0.1.1
[INFO] [stderr]   Downloaded validator v0.8.0
[INFO] [stderr]   Downloaded base-x v0.2.3
[INFO] [stderr]   Downloaded protobuf v1.7.4
[INFO] [stderr]   Downloaded assert_matches v1.3.0
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded primal-bit v0.2.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.5.2
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded trie-standardmap v0.1.1
[INFO] [stderr]   Downloaded docopt v1.0.2
[INFO] [stderr]   Downloaded itertools-num v0.1.2
[INFO] [stderr]   Downloaded tokio-io v0.1.9
[INFO] [stderr]   Downloaded pwasm-utils v0.2.2
[INFO] [stderr]   Downloaded skeptic v0.4.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.2.6
[INFO] [stderr]   Downloaded tokio-uds v0.2.2
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded walkdir v2.2.5
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.7
[INFO] [stderr]   Downloaded parking_lot v0.7.0
[INFO] [stderr]   Downloaded parity-snappy-sys v0.1.1
[INFO] [stderr]   Downloaded fixed-hash v0.2.2
[INFO] [stderr]   Downloaded parity-wordlist v1.2.1
[INFO] [stderr]   Downloaded parity-rocksdb-sys v0.5.3
[INFO] [stderr]   Downloaded pretty_assertions v0.1.2
[INFO] [stderr]   Downloaded hashdb v0.3.0
[INFO] [stderr]   Downloaded toolshed v0.4.0
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.1.0
[INFO] [stderr]   Downloaded parity-crypto v0.2.0
[INFO] [stderr]   Downloaded keccak-hash v0.1.2
[INFO] [stderr]   Downloaded hyper v0.12.11
[INFO] [stderr]   Downloaded parity-snappy v0.1.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.2
[INFO] [stderr]   Downloaded crossbeam v0.4.1
[INFO] [stderr]   Downloaded local-encoding v0.2.0
[INFO] [stderr]   Downloaded failsafe v0.3.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.1.4
[INFO] [stderr]   Downloaded primal v0.2.3
[INFO] [stderr]   Downloaded hyper-rustls v0.14.0
[INFO] [stderr]   Downloaded elastic-array v0.10.0
[INFO] [stderr]   Downloaded ethereum-types v0.4.0
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded kvdb-memorydb v0.1.0
[INFO] [stderr]   Downloaded memorydb v0.3.0
[INFO] [stderr]   Downloaded igd v0.7.0
[INFO] [stderr]   Downloaded ethabi-derive v6.0.2
[INFO] [stderr]   Downloaded rustc-hex v2.0.1
[INFO] [stderr]   Downloaded lunarity-lexer v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0973583e8582d32b0fa30c081a567a1ee5a8a1034120e2f7c198b4f7e5b02c0
[INFO] running `Command { std: "docker" "start" "-a" "a0973583e8582d32b0fa30c081a567a1ee5a8a1034120e2f7c198b4f7e5b02c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0973583e8582d32b0fa30c081a567a1ee5a8a1034120e2f7c198b4f7e5b02c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0973583e8582d32b0fa30c081a567a1ee5a8a1034120e2f7c198b4f7e5b02c0", kill_on_drop: false }`
[INFO] [stdout] a0973583e8582d32b0fa30c081a567a1ee5a8a1034120e2f7c198b4f7e5b02c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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=forbid" "-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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35cf5351908e04d3b06c69edc312633b0d0a4386d098d710e6bc84a2a938e859
[INFO] running `Command { std: "docker" "start" "-a" "35cf5351908e04d3b06c69edc312633b0d0a4386d098d710e6bc84a2a938e859", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "35cf5351908e04d3b06c69edc312633b0d0a4386d098d710e6bc84a2a938e859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cf5351908e04d3b06c69edc312633b0d0a4386d098d710e6bc84a2a938e859", kill_on_drop: false }`
[INFO] [stdout] 35cf5351908e04d3b06c69edc312633b0d0a4386d098d710e6bc84a2a938e859