[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] documenting paritytech/parity-ethereum against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-ethereum" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/parity-ethereum on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/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-8/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fe7edf0cf2c1e3df4cb940bba876a94bda41eb7bf9c81d22f3d0da1a6e03b3a
[INFO] running `Command { std: "docker" "start" "-a" "9fe7edf0cf2c1e3df4cb940bba876a94bda41eb7bf9c81d22f3d0da1a6e03b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fe7edf0cf2c1e3df4cb940bba876a94bda41eb7bf9c81d22f3d0da1a6e03b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe7edf0cf2c1e3df4cb940bba876a94bda41eb7bf9c81d22f3d0da1a6e03b3a", kill_on_drop: false }`
[INFO] [stdout] 9fe7edf0cf2c1e3df4cb940bba876a94bda41eb7bf9c81d22f3d0da1a6e03b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69c020db506f44cf710d62321e0eeb5283a62e9a5e069b5174c41dae481c197c
[INFO] running `Command { std: "docker" "start" "-a" "69c020db506f44cf710d62321e0eeb5283a62e9a5e069b5174c41dae481c197c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking byte-slice-cast v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking parity-bytes v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking subtle v2.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking unexpected v0.1.0 (/opt/rustwide/workdir/util/unexpected)
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking nan-preserving-float v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[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 ethabi-contract v9.0.0
[INFO] [stderr]     Checking static_assertions v0.3.3
[INFO] [stderr]     Checking siphasher v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/util/macros)
[INFO] [stderr]     Checking time-utils v0.1.0 (/opt/rustwide/workdir/util/time-utils)
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking ipnetwork v0.12.8
[INFO] [stderr]     Checking using_queue v0.1.0 (/opt/rustwide/workdir/miner/using-queue)
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]     Checking parity-path v0.1.1
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking mio-named-pipes v0.1.6
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]     Checking base-x v0.2.3
[INFO] [stderr]     Checking home v0.3.3
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]     Checking integer-encoding v1.0.5
[INFO] [stderr]     Checking transient-hashmap v0.4.1
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking rprompt v1.0.3
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking eip-152 v0.1.0 (/opt/rustwide/workdir/util/EIP-152)
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]     Checking ethcore-bloom-journal v0.1.0 (/opt/rustwide/workdir/util/bloom)
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking app_dirs v1.2.1 (https://github.com/paritytech/app-dirs-rs#0b37f948)
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking multibase v0.6.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking trace-time v0.1.1
[INFO] [stderr]     Checking stats v0.1.0 (/opt/rustwide/workdir/util/stats)
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking triehash v0.8.2
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]     Checking plain_hasher v0.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking transaction-pool v2.0.1
[INFO] [stderr]     Checking xmltree v0.8.0
[INFO] [stderr]     Checking elastic-array v0.10.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling jobserver v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking rpassword v1.0.2
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking ctrlc v1.1.1 (https://github.com/paritytech/rust-ctrlc.git#b5230171)
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rlp_compress v0.1.0 (/opt/rustwide/workdir/util/rlp-compress)
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]     Checking mime v0.3.12
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking toolshed v0.6.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking miow v0.3.3
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking sha2 v0.7.1
[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=f5843cd0cbd02232 -C extra-filename=-f5843cd0cbd02232 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (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" "69c020db506f44cf710d62321e0eeb5283a62e9a5e069b5174c41dae481c197c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c020db506f44cf710d62321e0eeb5283a62e9a5e069b5174c41dae481c197c", kill_on_drop: false }`
[INFO] [stdout] 69c020db506f44cf710d62321e0eeb5283a62e9a5e069b5174c41dae481c197c
