[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] ac5be1aa9dcb92562a6573468fb21c22a04edf67
[INFO] checking e2chain-dev/e2-chain-v2.0.0 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[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-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/e2chain-dev/e2-chain-v2.0.0 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[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-2/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", 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] 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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 688d2ad682147fa2f71394e95c5891a18ea9c37e03dc8ee15118dd8a5d881e80
[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" "688d2ad682147fa2f71394e95c5891a18ea9c37e03dc8ee15118dd8a5d881e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "688d2ad682147fa2f71394e95c5891a18ea9c37e03dc8ee15118dd8a5d881e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688d2ad682147fa2f71394e95c5891a18ea9c37e03dc8ee15118dd8a5d881e80", kill_on_drop: false }`
[INFO] [stdout] 688d2ad682147fa2f71394e95c5891a18ea9c37e03dc8ee15118dd8a5d881e80
[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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ab35a66add1768555573febbbd45b2602e03061812e575de8762cd469342359
[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" "9ab35a66add1768555573febbbd45b2602e03061812e575de8762cd469342359", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking dyn-clone v1.0.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]     Checking sp-std v2.0.0
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]    Compiling futures-sink v0.3.7
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tinyvec v0.3.4
[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 fnv v1.0.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking sp-std v2.0.0 (https://github.com/paritytech/substrate?tag=v2.0.0#a200cdb9)
[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 ahash v0.3.8
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling environmental v1.1.2
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[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 base64 v0.12.3
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling lru_time_cache v0.10.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling atomic v0.4.6
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling ip_network v0.3.4
[INFO] [stderr]    Compiling mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling bitmask v0.5.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0
[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 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 same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking instant v0.1.8
[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]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]    Compiling itertools v0.8.2
[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" "9ab35a66add1768555573febbbd45b2602e03061812e575de8762cd469342359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab35a66add1768555573febbbd45b2602e03061812e575de8762cd469342359", kill_on_drop: false }`
[INFO] [stdout] 9ab35a66add1768555573febbbd45b2602e03061812e575de8762cd469342359