[INFO] fetching crate egobox 0.3.0...
[INFO] documenting egobox-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate egobox 0.3.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate egobox 0.3.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate egobox 0.3.0
[INFO] finished tweaking crates.io crate egobox 0.3.0
[INFO] tweaked toml for crates.io crate egobox 0.3.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39a38a2c1eb06cff8356aada08ec60f024872dcf5e35cdfb4372d107dcbc4c77
[INFO] running `Command { std: "docker" "start" "-a" "39a38a2c1eb06cff8356aada08ec60f024872dcf5e35cdfb4372d107dcbc4c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39a38a2c1eb06cff8356aada08ec60f024872dcf5e35cdfb4372d107dcbc4c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a38a2c1eb06cff8356aada08ec60f024872dcf5e35cdfb4372d107dcbc4c77", kill_on_drop: false }`
[INFO] [stdout] 39a38a2c1eb06cff8356aada08ec60f024872dcf5e35cdfb4372d107dcbc4c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc814be9af3a9a544b2207d739232d6b2929aaba0778f1e56f123d4182f8d3a9
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Checking egobox-gp v0.3.0
[INFO] [stderr]     Checking egobox-moe v0.3.0
[INFO] [stderr]     Checking egobox-ego v0.3.0
[INFO] [stderr]  Documenting egobox v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / /// Utility function converting `xlimits` float data list specifying bounds of x components
[INFO] [stdout] 22 | | /// to x specified as a list of Vtype.Float types [egobox.Vtype]
[INFO] [stdout] 23 | | ///
[INFO] [stdout] 24 | | /// # Parameters
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | | /// # Returns
[INFO] [stdout] 28 | | ///     xtypes: nx-size list of Vspec(Vtype(FLOAT), [lower_bound, upper_bounds]) where `nx` is the dimension of x
[INFO] [stdout]    | |_________________________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "fc814be9af3a9a544b2207d739232d6b2929aaba0778f1e56f123d4182f8d3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc814be9af3a9a544b2207d739232d6b2929aaba0778f1e56f123d4182f8d3a9", kill_on_drop: false }`
[INFO] [stdout] fc814be9af3a9a544b2207d739232d6b2929aaba0778f1e56f123d4182f8d3a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] a7051991122cf808fff0d5ab6c249bd807570476dddaf7051bf94b9a5fe1a261
[INFO] running `Command { std: "docker" "start" "-a" "a7051991122cf808fff0d5ab6c249bd807570476dddaf7051bf94b9a5fe1a261", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling linfa v0.5.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
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[INFO] [stderr]    Compiling crc32fast v1.3.2
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[INFO] [stderr]     Checking adler v1.0.2
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[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]     Checking order-stat v0.1.3
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[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking instant v0.1.12
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[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling nlopt v0.5.4
[INFO] [stderr]     Checking flate2 v1.0.24
[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-0.6.26/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --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=6ecb43c4cd01e725 -C extra-filename=-6ecb43c4cd01e725 --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] running `Command { std: "docker" "inspect" "a7051991122cf808fff0d5ab6c249bd807570476dddaf7051bf94b9a5fe1a261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7051991122cf808fff0d5ab6c249bd807570476dddaf7051bf94b9a5fe1a261", kill_on_drop: false }`
[INFO] [stdout] a7051991122cf808fff0d5ab6c249bd807570476dddaf7051bf94b9a5fe1a261