[INFO] cloning repository https://github.com/paritytech/cargo-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/cargo-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c156d98176ca767c2cc62cab03d091297ca4e88
[INFO] checking paritytech/cargo-contract against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/cargo-contract on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/cargo-contract
[INFO] removed workspace from git repo https://github.com/paritytech/cargo-contract
[INFO] removed path dependency contract-metadata from git repo https://github.com/paritytech/cargo-contract
[INFO] finished tweaking git repo https://github.com/paritytech/cargo-contract
[INFO] tweaked toml for git repo https://github.com/paritytech/cargo-contract written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/cargo-contract already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.12.1
[INFO] [stderr]   Downloaded semver v0.11.0
[INFO] [stderr]   Downloaded semver-parser v0.10.0
[INFO] [stderr]   Downloaded const-random v0.1.13
[INFO] [stderr]   Downloaded rustc_version v0.3.0
[INFO] [stderr]   Downloaded const-random-macro v0.1.13
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded pwasm-utils v0.17.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.6
[INFO] [stderr]   Downloaded parity-wasm v0.42.1
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded substrate-subxt v0.13.0
[INFO] [stderr]   Downloaded substrate-subxt-proc-macro v0.13.0
[INFO] [stderr]   Downloaded binaryen-sys v0.12.0
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] [stderr]   Downloaded bs58 v0.4.0
[INFO] [stderr]   Downloaded binaryen v0.12.0
[INFO] [stderr]   Downloaded contract-metadata v0.2.0
[INFO] [stderr]   Downloaded multistream-select v0.8.5
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ed58d113bce19b9e78527ef1a17542fcde4fcdd2300b95631a6ed1f8da9a2b8
[INFO] running `Command { std: "docker" "start" "-a" "8ed58d113bce19b9e78527ef1a17542fcde4fcdd2300b95631a6ed1f8da9a2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ed58d113bce19b9e78527ef1a17542fcde4fcdd2300b95631a6ed1f8da9a2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed58d113bce19b9e78527ef1a17542fcde4fcdd2300b95631a6ed1f8da9a2b8", kill_on_drop: false }`
[INFO] [stdout] 8ed58d113bce19b9e78527ef1a17542fcde4fcdd2300b95631a6ed1f8da9a2b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 642e1b437e46eec6e5416736c687114cccc515d1a44320ba290f4193648a56f9
[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" "642e1b437e46eec6e5416736c687114cccc515d1a44320ba290f4193648a56f9", 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 serde v1.0.118
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking parity-wasm v0.42.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking assert_matches v1.4.0
[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]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking pwasm-utils v0.17.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking semver-parser v0.10.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling cargo-contract v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.5
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking rustc_version v0.3.0
[INFO] [stderr]     Checking cargo_metadata v0.12.1
[INFO] [stderr]     Checking contract-metadata v0.2.0
[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-1.4.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=8233158ab52a94b3 -C extra-filename=-8233158ab52a94b3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-4441487e9707ee36.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-b9c9c711d3caf825.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-48bd53bbbc9d8124.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-b1b857567b38aff1.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" "642e1b437e46eec6e5416736c687114cccc515d1a44320ba290f4193648a56f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642e1b437e46eec6e5416736c687114cccc515d1a44320ba290f4193648a56f9", kill_on_drop: false }`
[INFO] [stdout] 642e1b437e46eec6e5416736c687114cccc515d1a44320ba290f4193648a56f9