[INFO] fetching crate wascc-host 0.14.0...
[INFO] documenting wascc-host-0.14.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate wascc-host 0.14.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wascc-host 0.14.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wascc-host 0.14.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate wascc-host 0.14.0
[INFO] tweaked toml for crates.io crate wascc-host 0.14.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate wascc-host 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 async-lock v2.3.0
[INFO] [stderr]   Downloaded zeroize v1.1.1
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded async-rustls v0.1.1
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[INFO] [stderr]   Downloaded cranelift-entity v0.66.0
[INFO] [stderr]   Downloaded chrono-humanize v0.1.1
[INFO] [stderr]   Downloaded scroll_derive v0.10.3
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[INFO] [stderr]   Downloaded async-io v1.1.10
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[INFO] [stderr]   Downloaded wiggle-generate v0.19.0
[INFO] [stderr]   Downloaded wat v1.0.27
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded wasmtime-runtime v0.19.0
[INFO] [stderr]   Downloaded winx v0.19.0
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded base64-url v1.4.7
[INFO] [stderr]   Downloaded wasi-common v0.19.1
[INFO] [stderr]   Downloaded wasmtime-jit v0.19.0
[INFO] [stderr]   Downloaded wiggle v0.19.0
[INFO] [stderr]   Downloaded protobuf v2.18.0
[INFO] [stderr]   Downloaded combine v4.3.2
[INFO] [stderr]   Downloaded filetime v0.2.12
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.0
[INFO] [stderr]   Downloaded wasmparser v0.57.0
[INFO] [stderr]   Downloaded errno v0.2.6
[INFO] [stderr]   Downloaded rayon v1.4.1
[INFO] [stderr]   Downloaded redis v0.17.0
[INFO] [stderr]   Downloaded wascap v0.5.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.66.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.66.0
[INFO] [stderr]   Downloaded wasmtime-wasi v0.19.1
[INFO] [stderr]   Downloaded wasmtime-environ v0.19.0
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]   Downloaded cranelift-codegen v0.66.0
[INFO] [stderr]   Downloaded toml v0.5.7
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded wasm3-provider v0.0.1
[INFO] [stderr]   Downloaded zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]   Downloaded cranelift-native v0.66.0
[INFO] [stderr]   Downloaded wasmtime-wiggle v0.19.0
[INFO] [stderr]   Downloaded provider-archive v0.1.0
[INFO] [stderr]   Downloaded wig v0.19.0
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[INFO] [stderr]   Downloaded oci-distribution v0.4.0
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[INFO] [stderr]   Downloaded regalloc v0.0.27
[INFO] [stderr]   Downloaded wasmtime-provider v0.0.1
[INFO] [stderr]   Downloaded wasmtime-profiling v0.19.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.17
[INFO] [stderr]   Downloaded witx v0.8.7
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[INFO] [stderr]   Downloaded wast v26.0.1
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[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 770e172bec6ca01f8745b93b5d21aa9a64bbb8a99d63b81541627536338039f1
[INFO] running `Command { std: "docker" "start" "-a" "770e172bec6ca01f8745b93b5d21aa9a64bbb8a99d63b81541627536338039f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "770e172bec6ca01f8745b93b5d21aa9a64bbb8a99d63b81541627536338039f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770e172bec6ca01f8745b93b5d21aa9a64bbb8a99d63b81541627536338039f1", kill_on_drop: false }`
[INFO] [stdout] 770e172bec6ca01f8745b93b5d21aa9a64bbb8a99d63b81541627536338039f1
[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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3a51593863babfc0e90b22a9444090d5ebe3d6064a7e7f5618924af2b35a04b
[INFO] running `Command { std: "docker" "start" "-a" "f3a51593863babfc0e90b22a9444090d5ebe3d6064a7e7f5618924af2b35a04b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling wasi-common v0.19.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]    Compiling wasmtime-wasi v0.19.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking parity-wasm v0.42.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking libloading v0.6.4
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking wast v22.0.0
[INFO] [stderr]     Checking wast v26.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.6
[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 --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=c74b64df4c006fb1 -C extra-filename=-c74b64df4c006fb1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (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" "f3a51593863babfc0e90b22a9444090d5ebe3d6064a7e7f5618924af2b35a04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a51593863babfc0e90b22a9444090d5ebe3d6064a7e7f5618924af2b35a04b", kill_on_drop: false }`
[INFO] [stdout] f3a51593863babfc0e90b22a9444090d5ebe3d6064a7e7f5618924af2b35a04b
