[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 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoraemon93%2Fm--octo-succotash" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doraemon93/m--octo-succotash 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] removed /workspace/builds/worker-5/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-5/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded ethbloom v0.8.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.5
[INFO] [stderr]   Downloaded jsonrpc-core v10.1.0
[INFO] [stderr]   Downloaded surf v1.0.3
[INFO] [stderr]   Downloaded protoc v2.18.0
[INFO] [stderr]   Downloaded vrf v0.2.2
[INFO] [stderr]   Downloaded webbrowser v0.5.5
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.1
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded impl-codec v0.4.2
[INFO] [stderr]   Downloaded primitive-types v0.6.2
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded ethabi v9.0.1
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded ethereum-types v0.8.0
[INFO] [stderr]   Downloaded protoc-rust v2.18.0
[INFO] [stderr]   Downloaded sentry v0.18.1
[INFO] [stderr]   Downloaded tokio-uds v0.1.7
[INFO] [stderr]   Downloaded websocket v0.21.1
[INFO] [stderr]   Downloaded im v14.3.0
[INFO] [stderr]   Downloaded exonum-build v0.12.0
[INFO] [stderr]   Downloaded sentry-types v0.14.1
[INFO] [stderr]   Downloaded protobuf-convert v0.1.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.18.0
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded isahc v0.7.6
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded aes-soft v0.6.2
[INFO] [stderr]   Downloaded directories-next v1.0.3
[INFO] [stderr]   Downloaded rocksdb v0.13.0
[INFO] [stderr]   Downloaded sluice v0.4.2
[INFO] [stderr]   Downloaded cipher v0.2.1
[INFO] [stderr]   Downloaded bls-signatures-rs v0.1.0
[INFO] [stderr]   Downloaded memzero v0.1.0
[INFO] [stderr]   Downloaded hmac-sha256 v0.1.6
[INFO] [stderr]   Downloaded tiny-bip39 v0.7.3
[INFO] [stderr]   Downloaded fixed-hash v0.5.2
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded web3 v0.10.0
[INFO] [stderr]   Downloaded bindgen v0.54.0
[INFO] [stderr]   Downloaded witnet-bn v0.4.5
[INFO] [stderr]   Downloaded curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]   Downloaded futures-locks v0.5.0
[INFO] [stderr]   Downloaded librocksdb-sys v6.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 523c2c049e1a1c959199903de1e0147b12c4bd1e4fd58bcda6ea40fb64d4090e
[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" "523c2c049e1a1c959199903de1e0147b12c4bd1e4fd58bcda6ea40fb64d4090e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "523c2c049e1a1c959199903de1e0147b12c4bd1e4fd58bcda6ea40fb64d4090e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523c2c049e1a1c959199903de1e0147b12c4bd1e4fd58bcda6ea40fb64d4090e", kill_on_drop: false }`
[INFO] [stdout] 523c2c049e1a1c959199903de1e0147b12c4bd1e4fd58bcda6ea40fb64d4090e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bca7ff6aab1d64aa58bce51f7e501990eb505171632e191a3016b8852852e7ce
[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" "bca7ff6aab1d64aa58bce51f7e501990eb505171632e191a3016b8852852e7ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking memzero v0.1.0
[INFO] [stderr]    Compiling protobuf v2.18.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking hmac-sha256 v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking cbor-codec v0.7.1 (https://github.com/witnet/cbor-codec.git?branch=feat/ldexpf-shim#bfea8a49)
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling sentry v0.18.1
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking directories-next v1.0.3
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking cipher v0.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking ntp v0.5.0 (https://github.com/witnet/ntp#eff317fd)
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling partial_struct v0.3.2 (/opt/rustwide/workdir/partial_struct)
[INFO] [stderr]    Compiling protobuf-convert v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking tokio v0.2.22
[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-0.6.20/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="default"' --cfg 'feature="unicode"' --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=73c4e738f2a90440 -C extra-filename=-73c4e738f2a90440 --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" "bca7ff6aab1d64aa58bce51f7e501990eb505171632e191a3016b8852852e7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca7ff6aab1d64aa58bce51f7e501990eb505171632e191a3016b8852852e7ce", kill_on_drop: false }`
[INFO] [stdout] bca7ff6aab1d64aa58bce51f7e501990eb505171632e191a3016b8852852e7ce
