[INFO] cloning repository https://github.com/hackathon-cross/muta-cross
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hackathon-cross/muta-cross" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackathon-cross%2Fmuta-cross", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackathon-cross%2Fmuta-cross'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa165bb2519165c9f6f74b6f85da93983f9495b9
[INFO] documenting hackathon-cross/muta-cross 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%2Fhackathon-cross%2Fmuta-cross" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hackathon-cross/muta-cross 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-40/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/hackathon-cross/muta-cross
[INFO] finished tweaking git repo https://github.com/hackathon-cross/muta-cross
[INFO] tweaked toml for git repo https://github.com/hackathon-cross/muta-cross written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/hackathon-cross/muta-cross 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize_derive v0.9.3
[INFO] [stderr]   Downloaded prime_tools v0.2.2
[INFO] [stderr]   Downloaded creep v0.2.2
[INFO] [stderr]   Downloaded miracl_amcl v3.2.5
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.3.4
[INFO] [stderr]   Downloaded cita_trie v2.0.0
[INFO] [stderr]   Downloaded moodyblues-sdk v0.3.0
[INFO] [stderr]   Downloaded hasher v0.1.3
[INFO] [stderr]   Downloaded dyn-clone v1.0.1
[INFO] [stderr]   Downloaded igd v0.9.1
[INFO] [stderr]   Downloaded attohttpc v0.4.5
[INFO] [stderr]   Downloaded ophelia-hasher v0.2.0
[INFO] [stderr]   Downloaded stringreader v0.1.1
[INFO] [stderr]   Downloaded secret_sharing v0.1.1
[INFO] [stderr]   Downloaded libmath v0.1.4
[INFO] [stderr]   Downloaded proc-macro-error v0.3.4
[INFO] [stderr]   Downloaded bls_amcl v0.7.0
[INFO] [stderr]   Downloaded static_merkle_tree v1.1.0
[INFO] [stderr]   Downloaded amcl_wrapper v0.2.3
[INFO] [stderr]   Downloaded ophelia-derive v0.2.0
[INFO] [stderr]   Downloaded ophelia v0.2.0
[INFO] [stderr]   Downloaded secp256k1 v0.15.5
[INFO] [stderr]   Downloaded ophelia-bls-amcl v0.1.1
[INFO] [stderr]   Downloaded ophelia-secp256k1 v0.2.0
[INFO] [stderr]   Downloaded overlord v0.2.0-alpha.10
[INFO] [stderr]   Downloaded json v0.12.2
[INFO] [stderr]   Downloaded flatbuffers-verifier v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] da9cc2d37e2b90505823a70af32f9df08b81dce79c1023ac7daba5bba84f1308
[INFO] running `Command { std: "docker" "start" "-a" "da9cc2d37e2b90505823a70af32f9df08b81dce79c1023ac7daba5bba84f1308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da9cc2d37e2b90505823a70af32f9df08b81dce79c1023ac7daba5bba84f1308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9cc2d37e2b90505823a70af32f9df08b81dce79c1023ac7daba5bba84f1308", kill_on_drop: false }`
[INFO] [stdout] da9cc2d37e2b90505823a70af32f9df08b81dce79c1023ac7daba5bba84f1308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 1a66894f9b817af87a44808c845e7672ac1b00199b507a96da6bfbc9dee46fe2
[INFO] running `Command { std: "docker" "start" "-a" "1a66894f9b817af87a44808c845e7672ac1b00199b507a96da6bfbc9dee46fe2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking json v0.12.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling tentacle-secio v0.2.2 (https://github.com/zeroqn/p2p?branch=muta-disc#31db6ad8)
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unsigned-varint v0.2.3
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]     Checking miracl_amcl v3.2.5
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking static_merkle_tree v1.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[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]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling creep v0.2.2
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling clang-sys v0.29.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking xmltree v0.8.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.3.4/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --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=cd90b848ecf2360d -C extra-filename=-cd90b848ecf2360d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-7b6979d0a71c6d34.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d7dcdb754b97af01.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-4b9be434a0e0d518.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-79a746b2b8f7bdad.rmeta --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" "1a66894f9b817af87a44808c845e7672ac1b00199b507a96da6bfbc9dee46fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a66894f9b817af87a44808c845e7672ac1b00199b507a96da6bfbc9dee46fe2", kill_on_drop: false }`
[INFO] [stdout] 1a66894f9b817af87a44808c845e7672ac1b00199b507a96da6bfbc9dee46fe2
