[INFO] cloning repository https://github.com/paritytech/polkadot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/polkadot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 635f0457b007f9d3cde760954c2918c5fb9b9fc4
[INFO] checking paritytech/polkadot against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/polkadot on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/polkadot
[INFO] finished tweaking git repo https://github.com/paritytech/polkadot
[INFO] tweaked toml for git repo https://github.com/paritytech/polkadot written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/polkadot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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/paritytech/grandpa-bridge-gadget`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded fs-err v2.5.0
[INFO] [stderr]   Downloaded handlebars v3.5.1
[INFO] [stderr]   Downloaded dlmalloc v0.2.1
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.10
[INFO] [stderr]   Downloaded trybuild v1.0.43
[INFO] [stderr]   Downloaded jsonrpsee-types v0.3.0
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded jsonrpsee-ws-client v0.3.0
[INFO] [stderr]   Downloaded soketto v0.6.0
[INFO] [stderr]   Downloaded jsonrpsee-proc-macros v0.3.0
[INFO] [stderr]   Downloaded rpassword v5.0.0
[INFO] [stderr]   Downloaded memmap2 v0.2.0
[INFO] [stderr]   Downloaded multihash v0.13.1
[INFO] [stderr]   Downloaded kvdb v0.10.0
[INFO] [stderr]   Downloaded memory-db v0.27.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded hmac-drbg v0.3.0
[INFO] [stderr]   Downloaded owo-colors v1.2.1
[INFO] [stderr]   Downloaded separator v0.4.1
[INFO] [stderr]   Downloaded libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.1
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.28.1
[INFO] [stderr]   Downloaded multihash-derive v0.7.0
[INFO] [stderr]   Downloaded libp2p-core v0.28.2
[INFO] [stderr]   Downloaded libsecp256k1 v0.6.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.12.0
[INFO] [stderr]   Downloaded eyre v0.6.2
[INFO] [stderr]   Downloaded ruzstd v0.2.2
[INFO] [stderr]   Downloaded primitive-types v0.10.1
[INFO] [stderr]   Downloaded ethereum-types v0.12.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.30.0
[INFO] [stderr]   Downloaded kvdb-memorydb v0.10.0
[INFO] [stderr]   Downloaded linked_hash_set v0.1.3
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded async-std-resolver v0.20.1
[INFO] [stderr]   Downloaded parity-util-mem v0.10.0
[INFO] [stderr]   Downloaded pwasm-utils v0.18.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.1
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.30.0
[INFO] [stderr]   Downloaded if-watch v0.2.0
[INFO] [stderr]   Downloaded libsecp256k1-core v0.2.2
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]   Downloaded bae v0.1.6
[INFO] [stderr]   Downloaded once_cell v1.6.0
[INFO] [stderr]   Downloaded arrayvec v0.7.0
[INFO] [stderr]   Downloaded minicbor v0.8.0
[INFO] [stderr]   Downloaded cid v0.6.0
[INFO] [stderr]   Downloaded multistream-select v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75ec1a6632002a8b5ba6ea4e632d21f9076a8183c7ef5de80143eac3a8f9cecd
[INFO] running `Command { std: "docker" "start" "-a" "75ec1a6632002a8b5ba6ea4e632d21f9076a8183c7ef5de80143eac3a8f9cecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75ec1a6632002a8b5ba6ea4e632d21f9076a8183c7ef5de80143eac3a8f9cecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ec1a6632002a8b5ba6ea4e632d21f9076a8183c7ef5de80143eac3a8f9cecd", kill_on_drop: false }`
[INFO] [stdout] 75ec1a6632002a8b5ba6ea4e632d21f9076a8183c7ef5de80143eac3a8f9cecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad751fef701fba25a78cbb6063b69e81b54865adc9f9a0699f429f0036524157
[INFO] running `Command { std: "docker" "start" "-a" "ad751fef701fba25a78cbb6063b69e81b54865adc9f9a0699f429f0036524157", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking cpuid-bool v0.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.7.0
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking ahash v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]    Compiling parity-util-mem v0.10.0
[INFO] [stderr]     Checking sp-std v4.0.0-dev (https://github.com/paritytech/substrate?branch=master#97131a90)
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling sc-consensus-slots v0.10.0-dev (https://github.com/paritytech/substrate?branch=master#97131a90)
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling fs-err v2.5.0
[INFO] [stderr]     Checking beefy-merkle-tree v0.1.0 (https://github.com/paritytech/grandpa-bridge-gadget?branch=master#26d617c6)
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]    Compiling dlmalloc v0.2.1
[INFO] [stderr]    Compiling eyre v0.6.2
[INFO] [stderr]     Checking owo-colors v1.2.1
[INFO] [stderr]    Compiling trybuild v1.0.43
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking ckb-merkle-mountain-range v0.3.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]    Compiling slotmap v1.0.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling cpp_demangle v0.3.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling static_init_macro v0.5.0
[INFO] [stderr]    Compiling static_init v0.5.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking bitvec v0.20.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling substrate-build-script-utils v3.0.0 (https://github.com/paritytech/substrate?branch=master#97131a90)
[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]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking memory-lru v0.1.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking libsecp256k1-core v0.2.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling polkadot-cli v0.9.8 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[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-0.6.21/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=5476c750da7ba7f3 -C extra-filename=-5476c750da7ba7f3 --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" "ad751fef701fba25a78cbb6063b69e81b54865adc9f9a0699f429f0036524157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad751fef701fba25a78cbb6063b69e81b54865adc9f9a0699f429f0036524157", kill_on_drop: false }`
[INFO] [stdout] ad751fef701fba25a78cbb6063b69e81b54865adc9f9a0699f429f0036524157