[INFO] cloning repository https://github.com/emergenetwork/darwinia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emergenetwork/darwinia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femergenetwork%2Fdarwinia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femergenetwork%2Fdarwinia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55a2b7b0e48e213f0f7fd06f8627eb0ed132279b
[INFO] checking emergenetwork/darwinia against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femergenetwork%2Fdarwinia" "/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/emergenetwork/darwinia on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emergenetwork/darwinia
[INFO] finished tweaking git repo https://github.com/emergenetwork/darwinia
[INFO] tweaked toml for git repo https://github.com/emergenetwork/darwinia written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/emergenetwork/darwinia already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18fc80c8d2b023321f7245d773557dc1e327db84aee4aa54793a961541816225
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "18fc80c8d2b023321f7245d773557dc1e327db84aee4aa54793a961541816225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18fc80c8d2b023321f7245d773557dc1e327db84aee4aa54793a961541816225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fc80c8d2b023321f7245d773557dc1e327db84aee4aa54793a961541816225", kill_on_drop: false }`
[INFO] [stdout] 18fc80c8d2b023321f7245d773557dc1e327db84aee4aa54793a961541816225
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f541d548ba37223a4616b9a31870f2eaa7ad53a1c79d17aaaf08aec06a2a08a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f541d548ba37223a4616b9a31870f2eaa7ad53a1c79d17aaaf08aec06a2a08a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking sp-std v3.0.0 (https://github.com/darwinia-network/substrate.git?tag=darwinia-v0.10.0#3655f9bb)
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling wasmtime-cache v0.22.0
[INFO] [stderr]     Checking array-bytes v1.1.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling sc-consensus-slots v0.9.0 (https://github.com/darwinia-network/substrate.git?tag=darwinia-v0.10.0#3655f9bb)
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling substrate-fixed v0.5.6 (https://github.com/encointer/substrate-fixed?branch=master#b33d1868)
[INFO] [stderr]     Checking dp-storage v2.2.0 (https://github.com/darwinia-network/darwinia-common.git?tag=darwinia-v0.10.0#1bece1e7)
[INFO] [stderr]    Compiling darwinia-ethereum-relay v2.2.0 (https://github.com/darwinia-network/darwinia-common.git?tag=darwinia-v0.10.0#1bece1e7)
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking ckb-merkle-mountain-range v0.3.0 (https://github.com/darwinia-network/merkle-mountain-range.git#6ab7d95f)
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking if-addrs v0.6.5
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling substrate-build-script-utils v3.0.0 (https://github.com/darwinia-network/substrate.git?tag=darwinia-v0.10.0#3655f9bb)
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking triehash v0.8.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling cc v1.0.67
[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 hyper v0.12.36
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0 (https://github.com/darwinia-network/substrate.git?tag=darwinia-v0.10.0#3655f9bb)
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling async-trait v0.1.49
[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-1.4.5/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="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=b6d73f049784a952 -C extra-filename=-b6d73f049784a952 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-ab40b2e2ca15b714.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-3ae94b7d04edf574.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-4fc315958e360e1e.rmeta --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" "f541d548ba37223a4616b9a31870f2eaa7ad53a1c79d17aaaf08aec06a2a08a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f541d548ba37223a4616b9a31870f2eaa7ad53a1c79d17aaaf08aec06a2a08a6", kill_on_drop: false }`
[INFO] [stdout] f541d548ba37223a4616b9a31870f2eaa7ad53a1c79d17aaaf08aec06a2a08a6