[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#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoraemon93%2Fm--octo-succotash" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doraemon93/m--octo-succotash on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/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-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ethbloom v0.8.1
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded exonum-build v0.12.0
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded jsonrpc-core v15.1.0
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.5
[INFO] [stderr]   Downloaded sentry-types v0.14.1
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded sentry v0.18.1
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded impl-codec v0.4.2
[INFO] [stderr]   Downloaded impl-serde v0.3.1
[INFO] [stderr]   Downloaded jsonrpc-core v14.2.0
[INFO] [stderr]   Downloaded im v14.3.0
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[INFO] [stderr]   Downloaded jsonrpc-ws-server v15.1.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v15.1.0
[INFO] [stderr]   Downloaded surf v1.0.3
[INFO] [stderr]   Downloaded cipher v0.2.1
[INFO] [stderr]   Downloaded bls-signatures-rs v0.1.0
[INFO] [stderr]   Downloaded aes-soft v0.6.2
[INFO] [stderr]   Downloaded protobuf-convert v0.1.1
[INFO] [stderr]   Downloaded ethereum-types v0.8.0
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded protoc v2.18.0
[INFO] [stderr]   Downloaded structopt v0.3.20
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.0
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
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[INFO] [stderr]   Downloaded terminal_size v0.1.13
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[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded uname v0.1.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.13
[INFO] [stderr]   Downloaded tiny-bip39 v0.7.3
[INFO] [stderr]   Downloaded instant v0.1.8
[INFO] [stderr]   Downloaded protobuf-codegen v2.18.0
[INFO] [stderr]   Downloaded ethabi v9.0.1
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded primitive-types v0.6.2
[INFO] [stderr]   Downloaded pbkdf2 v0.3.0
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.1
[INFO] [stderr]   Downloaded bindgen v0.54.0
[INFO] [stderr]   Downloaded isahc v0.7.6
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded fixed-hash v0.5.2
[INFO] [stderr]   Downloaded websocket v0.21.1
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded protobuf v2.18.0
[INFO] [stderr]   Downloaded jsonrpc-core v10.1.0
[INFO] [stderr]   Downloaded hmac-sha256 v0.1.6
[INFO] [stderr]   Downloaded protoc-rust v2.18.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v15.1.0
[INFO] [stderr]   Downloaded vrf v0.2.2
[INFO] [stderr]   Downloaded rocksdb v0.13.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.0
[INFO] [stderr]   Downloaded futures-locks v0.5.0
[INFO] [stderr]   Downloaded curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]   Downloaded parity-ws v0.10.0
[INFO] [stderr]   Downloaded sluice v0.4.2
[INFO] [stderr]   Downloaded witnet-bn v0.4.5
[INFO] [stderr]   Downloaded librocksdb-sys v6.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", 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] f13a4163762b8080703496e5462c334aff2c49dc3fe7b72aafe318a8e4059748
[INFO] running `Command { std: "docker" "start" "-a" "f13a4163762b8080703496e5462c334aff2c49dc3fe7b72aafe318a8e4059748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f13a4163762b8080703496e5462c334aff2c49dc3fe7b72aafe318a8e4059748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13a4163762b8080703496e5462c334aff2c49dc3fe7b72aafe318a8e4059748", kill_on_drop: false }`
[INFO] [stdout] f13a4163762b8080703496e5462c334aff2c49dc3fe7b72aafe318a8e4059748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--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] e0cdbc251094522b635b06e9893dcba0aa96f37d07e6da0abc2b0842faaee480
[INFO] running `Command { std: "docker" "start" "-a" "e0cdbc251094522b635b06e9893dcba0aa96f37d07e6da0abc2b0842faaee480", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling protobuf v2.18.0
[INFO] [stderr]     Checking memzero v0.1.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking hmac-sha256 v0.1.6
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.2.0
[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]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling sentry v0.18.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking ntp v0.5.0 (https://github.com/witnet/ntp#eff317fd)
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking http-body v0.3.1
[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]     Checking url v1.7.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.53
[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 cbor-codec v0.7.1 (https://github.com/witnet/cbor-codec.git?branch=feat/ldexpf-shim#bfea8a49)
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[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]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking cipher v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[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 parking_lot v0.11.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking directories-next v1.0.3
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking futures-locks v0.5.0
[INFO] [stderr]     Checking aes-soft v0.6.2
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking witnet-bn v0.4.5
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.48/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=da02e3c3a900fd36 -C extra-filename=-da02e3c3a900fd36 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-65304f056af28667.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.rmeta --cap-lints allow --cap-lints=forbid` (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" "e0cdbc251094522b635b06e9893dcba0aa96f37d07e6da0abc2b0842faaee480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cdbc251094522b635b06e9893dcba0aa96f37d07e6da0abc2b0842faaee480", kill_on_drop: false }`
[INFO] [stdout] e0cdbc251094522b635b06e9893dcba0aa96f37d07e6da0abc2b0842faaee480