[INFO] cloning repository https://github.com/doraemon93/m--octo-succotash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doraemon93/m--octo-succotash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoraemon93%2Fm--octo-succotash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoraemon93%2Fm--octo-succotash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c1abf9198e26b06bc07470860a17098a8f30262
[INFO] checking doraemon93/m--octo-succotash against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoraemon93%2Fm--octo-succotash" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doraemon93/m--octo-succotash 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-16/source/.cargo/config
[INFO] started tweaking git repo https://github.com/doraemon93/m--octo-succotash
[INFO] finished tweaking git repo https://github.com/doraemon93/m--octo-succotash
[INFO] tweaked toml for git repo https://github.com/doraemon93/m--octo-succotash written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/doraemon93/m--octo-succotash 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/witnet/cbor-codec.git`
[INFO] [stderr]     Updating git repository `https://github.com/witnet/ntp`
[INFO] [stderr]     Updating git repository `https://github.com/witnet/async-jsonrpc-client`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pbkdf2 v0.3.0
[INFO] [stderr]   Downloaded object v0.21.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.0
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded webbrowser v0.5.5
[INFO] [stderr]   Downloaded primitive-types v0.6.2
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded structopt-derive v0.4.13
[INFO] [stderr]   Downloaded protobuf-codegen v2.18.0
[INFO] [stderr]   Downloaded ethabi v9.0.1
[INFO] [stderr]   Downloaded impl-codec v0.4.2
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded web3 v0.10.0
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded ethereum-types v0.8.0
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded jsonrpc-core v14.2.0
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded hmac-sha256 v0.1.6
[INFO] [stderr]   Downloaded protobuf v2.18.0
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded backtrace v0.3.53
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded jsonrpc-pubsub v15.1.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.5
[INFO] [stderr]   Downloaded aho-corasick v0.7.14
[INFO] [stderr]   Downloaded tiny-bip39 v0.7.3
[INFO] [stderr]   Downloaded bls-signatures-rs v0.1.0
[INFO] [stderr]   Downloaded futures-locks v0.5.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded fixed-hash v0.5.2
[INFO] [stderr]   Downloaded sluice v0.4.2
[INFO] [stderr]   Downloaded tokio-core v0.1.17
[INFO] [stderr]   Downloaded structopt v0.3.20
[INFO] [stderr]   Downloaded ethbloom v0.8.1
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded hyper v0.13.8
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded jsonrpc-core v10.1.0
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded sentry v0.18.1
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded im v14.3.0
[INFO] [stderr]   Downloaded websocket v0.21.1
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded uname v0.1.1
[INFO] [stderr]   Downloaded sentry-types v0.14.1
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded rocksdb v0.13.0
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded surf v1.0.3
[INFO] [stderr]   Downloaded ordered-float v1.1.0
[INFO] [stderr]   Downloaded bech32 v0.7.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.0
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded bindgen v0.54.0
[INFO] [stderr]   Downloaded protoc v2.18.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v15.1.0
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.1
[INFO] [stderr]   Downloaded isahc v0.7.6
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded witnet-bn v0.4.5
[INFO] [stderr]   Downloaded impl-serde v0.3.1
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v15.1.0
[INFO] [stderr]   Downloaded instant v0.1.8
[INFO] [stderr]   Downloaded tokio-uds v0.1.7
[INFO] [stderr]   Downloaded jsonrpc-core v15.1.0
[INFO] [stderr]   Downloaded socket2 v0.3.15
[INFO] [stderr]   Downloaded exonum-build v0.12.0
[INFO] [stderr]   Downloaded protoc-rust v2.18.0
[INFO] [stderr]   Downloaded curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]   Downloaded ring v0.16.12
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] [stderr]   Downloaded cipher v0.2.1
[INFO] [stderr]   Downloaded protobuf-convert v0.1.1
[INFO] [stderr]   Downloaded directories-next v1.0.3
[INFO] [stderr]   Downloaded aes-soft v0.6.2
[INFO] [stderr]   Downloaded vrf v0.2.2
[INFO] [stderr]   Downloaded memzero v0.1.0
[INFO] [stderr]   Downloaded librocksdb-sys v6.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 4508b0f7f23e53bf0bbdc1c2a99e8861a60b5bc268f328e42e7394902f0e31e0
[INFO] running `Command { std: "docker" "start" "-a" "4508b0f7f23e53bf0bbdc1c2a99e8861a60b5bc268f328e42e7394902f0e31e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4508b0f7f23e53bf0bbdc1c2a99e8861a60b5bc268f328e42e7394902f0e31e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4508b0f7f23e53bf0bbdc1c2a99e8861a60b5bc268f328e42e7394902f0e31e0", kill_on_drop: false }`
[INFO] [stdout] 4508b0f7f23e53bf0bbdc1c2a99e8861a60b5bc268f328e42e7394902f0e31e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] d7983ccbaaae8b2e3fa3a5b4fd497ce5460ccb72381263dc7bd731f7c96c1195
[INFO] running `Command { std: "docker" "start" "-a" "d7983ccbaaae8b2e3fa3a5b4fd497ce5460ccb72381263dc7bd731f7c96c1195", 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" "d7983ccbaaae8b2e3fa3a5b4fd497ce5460ccb72381263dc7bd731f7c96c1195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7983ccbaaae8b2e3fa3a5b4fd497ce5460ccb72381263dc7bd731f7c96c1195", kill_on_drop: false }`
[INFO] [stdout] d7983ccbaaae8b2e3fa3a5b4fd497ce5460ccb72381263dc7bd731f7c96c1195