[INFO] fetching crate rlink-connector-kafka 0.5.4...
[INFO] documenting rlink-connector-kafka-0.5.4 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate rlink-connector-kafka 0.5.4 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate rlink-connector-kafka 0.5.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlink-connector-kafka 0.5.4
[INFO] finished tweaking crates.io crate rlink-connector-kafka 0.5.4
[INFO] tweaked toml for crates.io crate rlink-connector-kafka 0.5.4 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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 rdkafka v0.25.0
[INFO] [stderr]   Downloaded rlink-derive v0.3.0
[INFO] [stderr]   Downloaded rdkafka-sys v3.0.0+1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b1279d2999e0741a4e4e98eb4444a3c21fe6b25e3ba054ca8dd6a8dcbd7e45c
[INFO] running `Command { std: "docker" "start" "-a" "6b1279d2999e0741a4e4e98eb4444a3c21fe6b25e3ba054ca8dd6a8dcbd7e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1279d2999e0741a4e4e98eb4444a3c21fe6b25e3ba054ca8dd6a8dcbd7e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1279d2999e0741a4e4e98eb4444a3c21fe6b25e3ba054ca8dd6a8dcbd7e45c", kill_on_drop: false }`
[INFO] [stdout] 6b1279d2999e0741a4e4e98eb4444a3c21fe6b25e3ba054ca8dd6a8dcbd7e45c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 488fe0ae84f9035d796c5eb54ad621435fe5690ec63f2852dee8506097d5dbcc
[INFO] running `Command { std: "docker" "start" "-a" "488fe0ae84f9035d796c5eb54ad621435fe5690ec63f2852dee8506097d5dbcc", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking once_cell v1.8.0
[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]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling metrics v0.14.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling mysql v20.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling sysinfo v0.17.5
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking sketches-ddsketch v0.1.2
[INFO] [stderr]     Checking murmur3 v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling io-enum v0.2.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking serbuffer v1.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking raw-cpuid v9.1.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking thread-id v4.0.0
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[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 --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=b672c9191f2c7225 -C extra-filename=-b672c9191f2c7225 --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" "488fe0ae84f9035d796c5eb54ad621435fe5690ec63f2852dee8506097d5dbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488fe0ae84f9035d796c5eb54ad621435fe5690ec63f2852dee8506097d5dbcc", kill_on_drop: false }`
[INFO] [stdout] 488fe0ae84f9035d796c5eb54ad621435fe5690ec63f2852dee8506097d5dbcc
