[INFO] cloning repository https://github.com/darwinia-network/parachain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darwinia-network/parachain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fparachain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fparachain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b4ad30b93625e4561c46ab6ec3f394adb43227b
[INFO] documenting darwinia-network/parachain 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%2Fdarwinia-network%2Fparachain" "/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/darwinia-network/parachain 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] started tweaking git repo https://github.com/darwinia-network/parachain
[INFO] finished tweaking git repo https://github.com/darwinia-network/parachain
[INFO] tweaked toml for git repo https://github.com/darwinia-network/parachain written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/darwinia-network/parachain 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] 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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca920e33f4386eeaf6061e807c0881c720fc116861d39047592c9691d236cd19
[INFO] running `Command { std: "docker" "start" "-a" "ca920e33f4386eeaf6061e807c0881c720fc116861d39047592c9691d236cd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca920e33f4386eeaf6061e807c0881c720fc116861d39047592c9691d236cd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca920e33f4386eeaf6061e807c0881c720fc116861d39047592c9691d236cd19", kill_on_drop: false }`
[INFO] [stdout] ca920e33f4386eeaf6061e807c0881c720fc116861d39047592c9691d236cd19
[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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d1c892433975770614db71ca32732a60832b13feed7eaf82b872a6fc875770
[INFO] running `Command { std: "docker" "start" "-a" "49d1c892433975770614db71ca32732a60832b13feed7eaf82b872a6fc875770", 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 proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking sp-std v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.4#1d04678e)
[INFO] [stderr]    Compiling erased-serde v0.3.15
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking environmental v1.1.3
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking asn1_der v0.7.4
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling wasmtime-cache v0.27.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.9.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.4#1d04678e)
[INFO] [stderr]     Checking retain_mut v0.1.3
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling fs-err v2.6.0
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]    Compiling platforms v1.1.0
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking beef v0.5.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking array-bytes v1.3.3
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking ckb-merkle-mountain-range v0.3.1
[INFO] [stderr]    Compiling slotmap v1.0.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking wast v35.0.2
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking wasmi-validation v0.4.0
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]    Compiling static_init_macro v0.5.0
[INFO] [stderr]    Compiling static_init v0.5.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]     Checking object v0.25.2
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking memory-lru v0.1.0
[INFO] [stderr]    Compiling substrate-build-script-utils v3.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.4#1d04678e)
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking fs-swap v0.2.6
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking fdlimit v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking miow v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]    Compiling polkadot-cli v0.9.4 (https://github.com/paritytech/polkadot?branch=release-v0.9.4#2f28561a)
[INFO] [stderr]    Compiling crab-redirect v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking rand v0.3.23
[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 rand_chacha v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.25.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=4731bb2ab4544ed7 -C extra-filename=-4731bb2ab4544ed7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-df16d2ab8eb23f89.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" "49d1c892433975770614db71ca32732a60832b13feed7eaf82b872a6fc875770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d1c892433975770614db71ca32732a60832b13feed7eaf82b872a6fc875770", kill_on_drop: false }`
[INFO] [stdout] 49d1c892433975770614db71ca32732a60832b13feed7eaf82b872a6fc875770
