[INFO] fetching crate substrate-wasmtime-jit 0.16.0-threadsafe.4...
[INFO] testing substrate-wasmtime-jit-0.16.0-threadsafe.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate substrate-wasmtime-jit 0.16.0-threadsafe.4 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate substrate-wasmtime-jit 0.16.0-threadsafe.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-wasmtime-jit 0.16.0-threadsafe.4
[INFO] finished tweaking crates.io crate substrate-wasmtime-jit 0.16.0-threadsafe.4
[INFO] tweaked toml for crates.io crate substrate-wasmtime-jit 0.16.0-threadsafe.4 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dynasmrt v0.5.2
[INFO] [stderr]   Downloaded string-interner v0.7.1
[INFO] [stderr]   Downloaded raw-cpuid v7.0.4
[INFO] [stderr]   Downloaded substrate-wasmtime-profiling v0.16.0-threadsafe.4
[INFO] [stderr]   Downloaded wasmtime-debug v0.16.0
[INFO] [stderr]   Downloaded wasmparser v0.52.2
[INFO] [stderr]   Downloaded faerie v0.15.0
[INFO] [stderr]   Downloaded capstone v0.6.0
[INFO] [stderr]   Downloaded iter-enum v0.2.7
[INFO] [stderr]   Downloaded staticvec v0.8.9
[INFO] [stderr]   Downloaded capstone-sys v0.10.0
[INFO] [stderr]   Downloaded cranelift-native v0.63.0
[INFO] [stderr]   Downloaded goblin v0.1.3
[INFO] [stderr]   Downloaded dynasm v0.5.2
[INFO] [stderr]   Downloaded lightbeam v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4976a3173c21962803fa242880adee8f91b20e55532172d62994f7bc40f99a2
[INFO] running `Command { std: "docker" "start" "-a" "d4976a3173c21962803fa242880adee8f91b20e55532172d62994f7bc40f99a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4976a3173c21962803fa242880adee8f91b20e55532172d62994f7bc40f99a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4976a3173c21962803fa242880adee8f91b20e55532172d62994f7bc40f99a2", kill_on_drop: false }`
[INFO] [stdout] d4976a3173c21962803fa242880adee8f91b20e55532172d62994f7bc40f99a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb3bf3bb91f8a64255ad75ceee07784086819f4117ad2052dba1aa2f3d0d5491
[INFO] running `Command { std: "docker" "start" "-a" "cb3bf3bb91f8a64255ad75ceee07784086819f4117ad2052dba1aa2f3d0d5491", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.63.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling wasmtime-environ v0.16.0
[INFO] [stderr]    Compiling wasmparser v0.51.4
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling wasmparser v0.52.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling regalloc v0.0.21
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling substrate-wasmtime-runtime v0.16.0-threadsafe.4
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling regex v1.5.4
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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=b77be10fdde4f88a -C extra-filename=-b77be10fdde4f88a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "cb3bf3bb91f8a64255ad75ceee07784086819f4117ad2052dba1aa2f3d0d5491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3bf3bb91f8a64255ad75ceee07784086819f4117ad2052dba1aa2f3d0d5491", kill_on_drop: false }`
[INFO] [stdout] cb3bf3bb91f8a64255ad75ceee07784086819f4117ad2052dba1aa2f3d0d5491