[INFO] cloning repository https://github.com/w3f/1k-validators-candidate-verification
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/w3f/1k-validators-candidate-verification" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw3f%2F1k-validators-candidate-verification", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw3f%2F1k-validators-candidate-verification'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 721128870920beafc3a9bb7ba7327b4cc317734e
[INFO] checking w3f/1k-validators-candidate-verification against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw3f%2F1k-validators-candidate-verification" "/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/w3f/1k-validators-candidate-verification on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/w3f/1k-validators-candidate-verification
[INFO] finished tweaking git repo https://github.com/w3f/1k-validators-candidate-verification
[INFO] tweaked toml for git repo https://github.com/w3f/1k-validators-candidate-verification written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/w3f/1k-validators-candidate-verification already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/lamafab/substrate-subxt.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.0
[INFO] [stderr]   Downloaded linregress v0.4.0
[INFO] [stderr]   Downloaded memory-db v0.26.0
[INFO] [stderr]   Downloaded frame-support-procedural v3.0.0
[INFO] [stderr]   Downloaded trie-db v0.22.3
[INFO] [stderr]   Downloaded sp-authorship v3.0.0
[INFO] [stderr]   Downloaded frame-benchmarking v3.1.0
[INFO] [stderr]   Downloaded sp-panic-handler v3.0.0
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[INFO] [stderr]   Downloaded sp-inherents v3.0.0
[INFO] [stderr]   Downloaded sp-timestamp v3.0.0
[INFO] [stderr]   Downloaded sp-runtime v3.0.0
[INFO] [stderr]   Downloaded jsonrpsee-proc-macros v0.1.0
[INFO] [stderr]   Downloaded jsonrpsee v0.1.0
[INFO] [stderr]   Downloaded sp-api-proc-macro v3.0.0
[INFO] [stderr]   Downloaded async-tls v0.6.0
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[INFO] [stderr]   Downloaded sp-application-crypto v3.0.0
[INFO] [stderr]   Downloaded sp-runtime-interface v3.0.0
[INFO] [stderr]   Downloaded sp-arithmetic v3.0.0
[INFO] [stderr]   Downloaded sp-rpc v3.0.0
[INFO] [stderr]   Downloaded sp-state-machine v0.9.0
[INFO] [stderr]   Downloaded mongodb v2.0.0-alpha
[INFO] [stderr]   Downloaded soketto v0.3.2
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[INFO] [stderr]   Downloaded actix-tls v3.0.0-beta.4
[INFO] [stderr]   Downloaded frame-metadata v13.0.0
[INFO] [stderr]   Downloaded parity-scale-codec v2.0.1
[INFO] [stderr]   Downloaded sp-staking v3.0.0
[INFO] [stderr]   Downloaded sp-debug-derive v3.0.0
[INFO] [stderr]   Downloaded sp-tracing v3.0.0
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]   Downloaded bitvec v0.20.2
[INFO] [stderr]   Downloaded sp-keyring v3.0.0
[INFO] [stderr]   Downloaded pallet-timestamp v3.0.0
[INFO] [stderr]   Downloaded pallet-indices v3.0.0
[INFO] [stderr]   Downloaded frame-system v3.0.0
[INFO] [stderr]   Downloaded sp-version v3.0.0
[INFO] [stderr]   Downloaded sp-externalities v0.9.0
[INFO] [stderr]   Downloaded sp-api v3.0.0
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded sp-trie v3.0.0
[INFO] [stderr]   Downloaded sp-io v3.0.0
[INFO] [stderr]   Downloaded actix-rt v2.1.0
[INFO] [stderr]   Downloaded sp-core v3.0.0
[INFO] [stderr]   Downloaded frame-support-procedural-tools v3.0.0
[INFO] [stderr]   Downloaded sp-npos-elections v3.0.0
[INFO] [stderr]   Downloaded pallet-staking v3.0.0
[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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3318d4e43a6ec4d42c1e7a4049b6d553f8d386d2ce38b6edfa76ea9e9bed1476
[INFO] running `Command { std: "docker" "start" "-a" "3318d4e43a6ec4d42c1e7a4049b6d553f8d386d2ce38b6edfa76ea9e9bed1476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3318d4e43a6ec4d42c1e7a4049b6d553f8d386d2ce38b6edfa76ea9e9bed1476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3318d4e43a6ec4d42c1e7a4049b6d553f8d386d2ce38b6edfa76ea9e9bed1476", kill_on_drop: false }`
[INFO] [stdout] 3318d4e43a6ec4d42c1e7a4049b6d553f8d386d2ce38b6edfa76ea9e9bed1476
[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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ea7166b9997ecad47fca14cf22570238092d51081e923c7d6c6f308f133afc
[INFO] running `Command { std: "docker" "start" "-a" "f4ea7166b9997ecad47fca14cf22570238092d51081e923c7d6c6f308f133afc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking environmental v1.1.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.47
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking actix-service v2.0.0-beta.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking bitvec v0.20.2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[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 futures-lite v1.11.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[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 sha2 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[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-0.6.22/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="default"' --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=7a8957f3d29b68e6 -C extra-filename=-7a8957f3d29b68e6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "f4ea7166b9997ecad47fca14cf22570238092d51081e923c7d6c6f308f133afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ea7166b9997ecad47fca14cf22570238092d51081e923c7d6c6f308f133afc", kill_on_drop: false }`
[INFO] [stdout] f4ea7166b9997ecad47fca14cf22570238092d51081e923c7d6c6f308f133afc