[INFO] cloning repository https://github.com/nervosnetwork/muta-tutorial-attestation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nervosnetwork/muta-tutorial-attestation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnervosnetwork%2Fmuta-tutorial-attestation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnervosnetwork%2Fmuta-tutorial-attestation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbaa48a9f3fd6c3ba6987c2abe8838e75622bf59
[INFO] documenting nervosnetwork/muta-tutorial-attestation against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnervosnetwork%2Fmuta-tutorial-attestation" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nervosnetwork/muta-tutorial-attestation on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nervosnetwork/muta-tutorial-attestation
[INFO] finished tweaking git repo https://github.com/nervosnetwork/muta-tutorial-attestation
[INFO] tweaked toml for git repo https://github.com/nervosnetwork/muta-tutorial-attestation written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nervosnetwork/muta-tutorial-attestation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 dyn-clone v1.0.1
[INFO] [stderr]   Downloaded rlp v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed68bfb0058fd178f6be68500f46395d740c979a2744392d248f956acc0c4624
[INFO] running `Command { std: "docker" "start" "-a" "ed68bfb0058fd178f6be68500f46395d740c979a2744392d248f956acc0c4624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed68bfb0058fd178f6be68500f46395d740c979a2744392d248f956acc0c4624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed68bfb0058fd178f6be68500f46395d740c979a2744392d248f956acc0c4624", kill_on_drop: false }`
[INFO] [stdout] ed68bfb0058fd178f6be68500f46395d740c979a2744392d248f956acc0c4624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a1fb47a9ebd7e20567dc15814af389f489730933a66e48160e02b54b3cf5ea
[INFO] running `Command { std: "docker" "start" "-a" "c6a1fb47a9ebd7e20567dc15814af389f489730933a66e48160e02b54b3cf5ea", 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]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling bech32 v0.7.2
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking json v0.12.1
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking miracl_amcl v3.2.5
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling prometheus v0.8.0 (https://github.com/tikv/rust-prometheus.git?rev=fd122caa03#fd122caa)
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling tentacle-secio v0.3.4
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking faster-hex v0.4.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[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]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking creep v0.2.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking hasher v0.1.3
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling muta-protocol v0.1.0-alpha.1 (https://github.com/nervosnetwork/muta?tag=v0.2.0-beta.1#a479cf28)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[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-0.6.14/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="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=775ae1399c491e7d -C extra-filename=-775ae1399c491e7d --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" "c6a1fb47a9ebd7e20567dc15814af389f489730933a66e48160e02b54b3cf5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a1fb47a9ebd7e20567dc15814af389f489730933a66e48160e02b54b3cf5ea", kill_on_drop: false }`
[INFO] [stdout] c6a1fb47a9ebd7e20567dc15814af389f489730933a66e48160e02b54b3cf5ea
