[INFO] cloning repository https://github.com/e2chain-dev/e2-chain-v2.0.0
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e2chain-dev/e2-chain-v2.0.0" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe2chain-dev%2Fe2-chain-v2.0.0", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe2chain-dev%2Fe2-chain-v2.0.0'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88df73babe85fbd072e9872019af44c027be390f
[INFO] checking e2chain-dev/e2-chain-v2.0.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe2chain-dev%2Fe2-chain-v2.0.0" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e2chain-dev/e2-chain-v2.0.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/e2chain-dev/e2-chain-v2.0.0
[INFO] finished tweaking git repo https://github.com/e2chain-dev/e2-chain-v2.0.0
[INFO] tweaked toml for git repo https://github.com/e2chain-dev/e2-chain-v2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/e2chain-dev/e2-chain-v2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.3
[INFO] [stderr]   Downloaded sc-consensus-babe-rpc v0.8.0
[INFO] [stderr]   Downloaded sp-npos-elections v2.0.0
[INFO] [stderr]   Downloaded pallet-staking v2.0.0
[INFO] [stderr]   Downloaded pallet-proxy v2.0.1
[INFO] [stderr]   Downloaded pallet-session-benchmarking v2.0.0
[INFO] [stderr]   Downloaded sc-consensus-babe v0.8.0
[INFO] [stderr]   Downloaded sc-consensus-epochs v0.8.0
[INFO] [stderr]   Downloaded substrate-test-utils v2.0.0
[INFO] [stderr]   Downloaded pallet-staking-reward-curve v2.0.0
[INFO] [stderr]   Downloaded pallet-babe v2.0.0
[INFO] [stderr]   Downloaded pallet-democracy v2.0.0
[INFO] [stderr]   Downloaded substrate-frame-cli v2.0.0
[INFO] [stderr]   Downloaded pallet-indices v2.0.0
[INFO] [stderr]   Downloaded substrate-browser-utils v0.8.0
[INFO] [stderr]   Downloaded sc-authority-discovery v0.8.0
[INFO] [stderr]   Downloaded pallet-offences-benchmarking v2.0.0
[INFO] [stderr]   Downloaded pallet-authority-discovery v2.0.0
[INFO] [stderr]   Downloaded pallet-membership v2.0.0
[INFO] [stderr]   Downloaded pallet-elections-phragmen v2.0.0
[INFO] [stderr]   Downloaded pallet-identity v2.0.0
[INFO] [stderr]   Downloaded pallet-im-online v2.0.0
[INFO] [stderr]   Downloaded pallet-offences v2.0.0
[INFO] [stderr]   Downloaded pallet-recovery v2.0.0
[INFO] [stderr]   Downloaded pallet-scheduler v2.0.0
[INFO] [stderr]   Downloaded substrate-test-utils-derive v0.8.0
[INFO] [stderr]   Downloaded pallet-vesting v2.0.0
[INFO] [stderr]   Downloaded sc-finality-grandpa-rpc v0.8.0
[INFO] [stderr]   Downloaded sp-authority-discovery v2.0.0
[INFO] [stderr]   Downloaded sp-consensus-babe v0.8.0
[INFO] [stderr]   Downloaded wat v1.0.27
[INFO] [stderr]   Downloaded multistream-select v0.8.4
[INFO] [stderr]   Downloaded sp-npos-elections-compact v2.0.0
[INFO] [stderr]   Downloaded pallet-society v2.0.0
[INFO] [stderr]   Downloaded pallet-utility v2.0.0
[INFO] [stderr]   Downloaded sc-consensus-uncles v0.8.0
[INFO] [stderr]   Downloaded sp-consensus-vrf v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] d2a513cd122a61250d82f6b6121ab495c31939bd1476ff1c825b12dc47f30932
[INFO] running `Command { std: "docker" "start" "-a" "d2a513cd122a61250d82f6b6121ab495c31939bd1476ff1c825b12dc47f30932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a513cd122a61250d82f6b6121ab495c31939bd1476ff1c825b12dc47f30932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a513cd122a61250d82f6b6121ab495c31939bd1476ff1c825b12dc47f30932", kill_on_drop: false }`
[INFO] [stdout] d2a513cd122a61250d82f6b6121ab495c31939bd1476ff1c825b12dc47f30932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cc729c1ee245b1768da1ab87526a4577d84e51f3c1742d318e68945d38df9b2
[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" "6cc729c1ee245b1768da1ab87526a4577d84e51f3c1742d318e68945d38df9b2", 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 libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.7
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]     Checking sp-std v2.0.0 (https://github.com/paritytech/substrate?tag=v2.0.0#a200cdb9)
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling sp-std v2.0.0
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling environmental v1.1.2
[INFO] [stderr]    Compiling dyn-clone v1.0.3
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling lru_time_cache v0.10.0
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling atomic v0.4.6
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling ip_network v0.3.4
[INFO] [stderr]    Compiling retain_mut v0.1.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling bitmask v0.5.0
[INFO] [stderr]     Checking send_wrapper v0.3.0
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6 (https://github.com/paritytech/substrate?tag=v2.0.0#a200cdb9)
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking wast v26.0.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling e2-chain-runtime v2.0.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]     Checking lock_api v0.1.5
[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-0.6.20/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=eb2814cccc9c8448 -C extra-filename=-eb2814cccc9c8448 --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" "6cc729c1ee245b1768da1ab87526a4577d84e51f3c1742d318e68945d38df9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc729c1ee245b1768da1ab87526a4577d84e51f3c1742d318e68945d38df9b2", kill_on_drop: false }`
[INFO] [stdout] 6cc729c1ee245b1768da1ab87526a4577d84e51f3c1742d318e68945d38df9b2