[INFO] cloning repository https://github.com/paritytech/parity-ethereum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/parity-ethereum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-ethereum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-ethereum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55c90d4016505317034e3e98f699af07f5404b63
[INFO] checking paritytech/parity-ethereum against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-ethereum" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/parity-ethereum on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/paritytech/parity-ethereum
[INFO] finished tweaking git repo https://github.com/paritytech/parity-ethereum
[INFO] tweaked toml for git repo https://github.com/paritytech/parity-ethereum written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/parity-ethereum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/app-dirs-rs`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-ctrlc.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-http-server v14.0.5
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.0
[INFO] [stderr]   Downloaded parity-scale-codec v1.1.0
[INFO] [stderr]   Downloaded rprompt v1.0.3
[INFO] [stderr]   Downloaded rpassword v1.0.2
[INFO] [stderr]   Downloaded target_info v0.1.0
[INFO] [stderr]   Downloaded jsonrpc-derive v14.0.5
[INFO] [stderr]   Downloaded validator v0.8.0
[INFO] [stderr]   Downloaded fdlimit v0.1.1
[INFO] [stderr]   Downloaded validator_derive v0.8.0
[INFO] [stderr]   Downloaded rocksdb v0.13.0
[INFO] [stderr]   Downloaded keccak-hash v0.4.0
[INFO] [stderr]   Downloaded siphasher v0.3.0
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.1
[INFO] [stderr]   Downloaded tokio-io v0.1.9
[INFO] [stderr]   Downloaded triehash v0.8.2
[INFO] [stderr]   Downloaded primitive-types v0.6.1
[INFO] [stderr]   Downloaded edit-distance v2.0.1
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded transient-hashmap v0.4.1
[INFO] [stderr]   Downloaded cid v0.3.0
[INFO] [stderr]   Downloaded logos-derive v0.7.7
[INFO] [stderr]   Downloaded jsonrpc-tcp-server v14.0.3
[INFO] [stderr]   Downloaded multibase v0.6.0
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v14.0.6
[INFO] [stderr]   Downloaded lunarity-lexer v0.2.1
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[INFO] [stderr]   Downloaded ws v0.9.0
[INFO] [stderr]   Downloaded memory-db v0.18.0
[INFO] [stderr]   Downloaded logos v0.7.7
[INFO] [stderr]   Downloaded failsafe v0.3.0
[INFO] [stderr]   Downloaded parity-daemonize v0.3.0
[INFO] [stderr]   Downloaded hash256-std-hasher v0.15.0
[INFO] [stderr]   Downloaded toolshed v0.6.3
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded derive_more v0.14.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.1.0
[INFO] [stderr]   Downloaded ethbloom v0.8.1
[INFO] [stderr]   Downloaded plain_hasher v0.2.0
[INFO] [stderr]   Downloaded kvdb-memorydb v0.3.1
[INFO] [stderr]   Downloaded parity-util-mem v0.4.2
[INFO] [stderr]   Downloaded home v0.3.3
[INFO] [stderr]   Downloaded vergen v3.0.4
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded transaction-pool v2.0.1
[INFO] [stderr]   Downloaded natpmp v0.2.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v14.0.5
[INFO] [stderr]   Downloaded hyper-rustls v0.18.0
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[INFO] [stderr]   Downloaded static_assertions v0.3.3
[INFO] [stderr]   Downloaded trie-standardmap v0.15.0
[INFO] [stderr]   Downloaded pretty_assertions v0.1.2
[INFO] [stderr]   Downloaded trie-db v0.18.0
[INFO] [stderr]   Downloaded nan-preserving-float v0.1.0
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded rustls v0.16.0
[INFO] [stderr]   Downloaded hyper v0.12.19
[INFO] [stderr]   Downloaded bindgen v0.49.2
[INFO] [stderr]   Downloaded tokio-rustls v0.10.3
[INFO] [stderr]   Downloaded librocksdb-sys v6.2.4
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.4.2
[INFO] [stderr]   Downloaded trace-time v0.1.1
[INFO] [stderr]   Downloaded kvdb v0.3.1
[INFO] [stderr]   Downloaded webpki v0.21.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.0.3
[INFO] [stderr]   Downloaded pwasm-utils v0.6.1
[INFO] [stderr]   Downloaded ring v0.16.9
[INFO] [stderr]   Downloaded jsonrpc-pubsub v14.0.5
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] [stderr]   Downloaded multihash v0.8.0
[INFO] [stderr]   Downloaded parity-util-mem v0.3.0
[INFO] [stderr]   Downloaded wasmi v0.3.0
[INFO] [stderr]   Downloaded parity-secp256k1 v0.7.0
[INFO] [stderr]   Downloaded rlp v0.4.4
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa954d83e7f738182a4128c3a25181b03399a91ad07cd0e5a5b054b616022020
[INFO] running `Command { std: "docker" "start" "-a" "aa954d83e7f738182a4128c3a25181b03399a91ad07cd0e5a5b054b616022020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa954d83e7f738182a4128c3a25181b03399a91ad07cd0e5a5b054b616022020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa954d83e7f738182a4128c3a25181b03399a91ad07cd0e5a5b054b616022020", kill_on_drop: false }`
[INFO] [stdout] aa954d83e7f738182a4128c3a25181b03399a91ad07cd0e5a5b054b616022020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06101fb7fd24c503bef6dddae7e05785823ba24198514b1608d10e34f5673d2a
[INFO] running `Command { std: "docker" "start" "-a" "06101fb7fd24c503bef6dddae7e05785823ba24198514b1608d10e34f5673d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking parity-bytes v0.1.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking fnv v1.0.6
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[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
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[INFO] [stderr]    Compiling regex-syntax v0.6.12
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[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]     Checking unexpected v0.1.0 (/opt/rustwide/workdir/util/unexpected)
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking error-chain v0.12.0
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[INFO] [stderr]     Checking nan-preserving-float v0.1.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking ethabi-contract v9.0.0
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking home v0.3.3
[INFO] [stderr]     Checking static_assertions v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking siphasher v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/util/macros)
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking time-utils v0.1.0 (/opt/rustwide/workdir/util/time-utils)
[INFO] [stderr]     Checking using_queue v0.1.0 (/opt/rustwide/workdir/miner/using-queue)
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking ipnetwork v0.12.8
[INFO] [stderr]     Checking parity-path v0.1.1
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]     Checking base-x v0.2.3
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]     Checking strsim v0.7.0
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[INFO] [stderr]     Checking transient-hashmap v0.4.1
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking rprompt v1.0.3
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking difference v1.0.0
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[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking tokio-service v0.1.0
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[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking app_dirs v1.2.1 (https://github.com/paritytech/app-dirs-rs#0b37f948)
[INFO] [stderr]     Checking eip-152 v0.1.0 (/opt/rustwide/workdir/util/EIP-152)
[INFO] [stderr]    Compiling humantime v1.1.1
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[INFO] [stderr]     Checking primal-bit v0.2.4
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[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling heck v0.3.0
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[INFO] [stderr]    Compiling unicase v2.2.0
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[INFO] [stderr]     Checking walkdir v2.2.7
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[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking multibase v0.6.0
[INFO] [stderr]     Checking pretty_assertions v0.1.2
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[INFO] [stderr]    Compiling kernel32-sys v0.2.2
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[INFO] [stderr]     Checking enum_primitive v0.1.1
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[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking trie-standardmap v0.15.0
[INFO] [stderr]     Checking ctrlc v1.1.1 (https://github.com/paritytech/rust-ctrlc.git#b5230171)
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking hmac v0.7.0
[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="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=07e196a795c60280 -C extra-filename=-07e196a795c60280 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "06101fb7fd24c503bef6dddae7e05785823ba24198514b1608d10e34f5673d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06101fb7fd24c503bef6dddae7e05785823ba24198514b1608d10e34f5673d2a", kill_on_drop: false }`
[INFO] [stdout] 06101fb7fd24c503bef6dddae7e05785823ba24198514b1608d10e34f5673d2a