[INFO] fetching crate wasm-ast 0.1.0...
[INFO] checking wasm-ast-0.1.0 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate wasm-ast 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate wasm-ast 0.1.0 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-ast 0.1.0
[INFO] finished tweaking crates.io crate wasm-ast 0.1.0
[INFO] tweaked toml for crates.io crate wasm-ast 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate crates.io crate wasm-ast 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmtime-jit v0.30.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.30.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.77.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.77.0
[INFO] [stderr]   Downloaded minimal-lexical v0.1.4
[INFO] [stderr]   Downloaded nom v7.0.0
[INFO] [stderr]   Downloaded backtrace v0.3.62
[INFO] [stderr]   Downloaded wasmtime-fiber v0.30.0
[INFO] [stderr]   Downloaded wasmtime-cache v0.30.0
[INFO] [stderr]   Downloaded cranelift-native v0.77.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.30.0
[INFO] [stderr]   Downloaded wasmtime v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82405a8d19661849046c1ddbac78e1ad0a92a41b784f9e6a5fbd25a17c2143a8
[INFO] running `Command { std: "docker" "start" "-a" "82405a8d19661849046c1ddbac78e1ad0a92a41b784f9e6a5fbd25a17c2143a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82405a8d19661849046c1ddbac78e1ad0a92a41b784f9e6a5fbd25a17c2143a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82405a8d19661849046c1ddbac78e1ad0a92a41b784f9e6a5fbd25a17c2143a8", kill_on_drop: false }`
[INFO] [stdout] 82405a8d19661849046c1ddbac78e1ad0a92a41b784f9e6a5fbd25a17c2143a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 955fd279631137ee088c3f9b6dee6e5da511320078589e9428f3c629c1d49749
[INFO] running `Command { std: "docker" "start" "-a" "955fd279631137ee088c3f9b6dee6e5da511320078589e9428f3c629c1d49749", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.77.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cranelift-entity v0.77.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking wasmparser v0.80.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling wasmtime-cache v0.30.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling wasmtime v0.30.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking wast v38.0.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.77.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[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,future-incompat --crate-type lib --emit=dep-info,metadata -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=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --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] running `Command { std: "docker" "inspect" "955fd279631137ee088c3f9b6dee6e5da511320078589e9428f3c629c1d49749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955fd279631137ee088c3f9b6dee6e5da511320078589e9428f3c629c1d49749", kill_on_drop: false }`
[INFO] [stdout] 955fd279631137ee088c3f9b6dee6e5da511320078589e9428f3c629c1d49749