[INFO] cloning repository https://github.com/net3f/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/net3f/1k-validators-candidate-verification" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnet3f%2F1k-validators-candidate-verification", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnet3f%2F1k-validators-candidate-verification'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 721128870920beafc3a9bb7ba7327b4cc317734e
[INFO] testing net3f/1k-validators-candidate-verification against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnet3f%2F1k-validators-candidate-verification" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/net3f/1k-validators-candidate-verification on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/net3f/1k-validators-candidate-verification
[INFO] finished tweaking git repo https://github.com/net3f/1k-validators-candidate-verification
[INFO] tweaked toml for git repo https://github.com/net3f/1k-validators-candidate-verification written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/net3f/1k-validators-candidate-verification already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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 os_info v3.0.1
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.0
[INFO] [stderr]   Downloaded mongodb v2.0.0-alpha
[INFO] [stderr]   Downloaded actix-tls v3.0.0-beta.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9df9d6a64b548d81c716a105afbde101274f9de70563c1644371a8470d32170
[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" "b9df9d6a64b548d81c716a105afbde101274f9de70563c1644371a8470d32170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9df9d6a64b548d81c716a105afbde101274f9de70563c1644371a8470d32170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9df9d6a64b548d81c716a105afbde101274f9de70563c1644371a8470d32170", kill_on_drop: false }`
[INFO] [stdout] b9df9d6a64b548d81c716a105afbde101274f9de70563c1644371a8470d32170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2004cd4e6c8473df36f0a6ae81a7b7a6596cf907a5aabf508ea03e2932c59bf
[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" "c2004cd4e6c8473df36f0a6ae81a7b7a6596cf907a5aabf508ea03e2932c59bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling libc v0.2.88
[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]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling sp-std v3.0.0
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]    Compiling environmental v1.1.2
[INFO] [stderr]    Compiling signature v1.3.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling async-trait v0.1.47
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[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 miniz_oxide v0.4.4
[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 cookie v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling actix-service v2.0.0-beta.4
[INFO] [stderr]    Compiling trie-root v0.16.0
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling uint v0.9.0
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling sha2 v0.9.3
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling bitvec v0.20.2
[INFO] [stderr]    Compiling pbkdf2 v0.4.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[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,artifacts --crate-type lib --emit=dep-info,metadata,link -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=9e9531b190d3ae50 -C extra-filename=-9e9531b190d3ae50 --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" "c2004cd4e6c8473df36f0a6ae81a7b7a6596cf907a5aabf508ea03e2932c59bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2004cd4e6c8473df36f0a6ae81a7b7a6596cf907a5aabf508ea03e2932c59bf", kill_on_drop: false }`
[INFO] [stdout] c2004cd4e6c8473df36f0a6ae81a7b7a6596cf907a5aabf508ea03e2932c59bf