[INFO] cloning repository https://github.com/tarkah/karaoke-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarkah/karaoke-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Fkaraoke-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Fkaraoke-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0747427e6f2eb3a81482dbe3f7181cb5120feced
[INFO] documenting tarkah/karaoke-rs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Fkaraoke-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarkah/karaoke-rs 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 git repo https://github.com/tarkah/karaoke-rs
[INFO] finished tweaking git repo https://github.com/tarkah/karaoke-rs
[INFO] tweaked toml for git repo https://github.com/tarkah/karaoke-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tarkah/karaoke-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustbreak v2.0.0-rc3
[INFO] [stderr]   Downloaded multiqueue v0.3.2
[INFO] [stderr]   Downloaded cdg v0.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.47
[INFO] [stderr]   Downloaded smallvec v0.3.4
[INFO] [stderr]   Downloaded websocket v0.23.0
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded backtrace v0.3.44
[INFO] [stderr]   Downloaded id3 v0.3.0
[INFO] [stderr]   Downloaded cdg_renderer v0.3.0
[INFO] [stderr]   Downloaded actix-files v0.1.7
[INFO] [stderr]   Downloaded rust-embed-impl v4.5.0
[INFO] [stderr]   Downloaded parking_lot v0.3.8
[INFO] [stderr]   Downloaded rust-embed v4.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 474f924f742f55a8883e4864da35804f1b3d55547bcbcd7e8469890b314a07ee
[INFO] running `Command { std: "docker" "start" "-a" "474f924f742f55a8883e4864da35804f1b3d55547bcbcd7e8469890b314a07ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "474f924f742f55a8883e4864da35804f1b3d55547bcbcd7e8469890b314a07ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474f924f742f55a8883e4864da35804f1b3d55547bcbcd7e8469890b314a07ee", kill_on_drop: false }`
[INFO] [stdout] 474f924f742f55a8883e4864da35804f1b3d55547bcbcd7e8469890b314a07ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 5d8a02601c4fafd2c7eb68798590ea9fc50440101b1ef7e21408f366316fb933
[INFO] running `Command { std: "docker" "start" "-a" "5d8a02601c4fafd2c7eb68798590ea9fc50440101b1ef7e21408f366316fb933", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking cdg v0.1.0
[INFO] [stderr]     Checking takeable-option v0.4.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking actix-service v0.4.2
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking mio v0.6.21
[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-0.6.14/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="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=775ae1399c491e7d -C extra-filename=-775ae1399c491e7d --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" "5d8a02601c4fafd2c7eb68798590ea9fc50440101b1ef7e21408f366316fb933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8a02601c4fafd2c7eb68798590ea9fc50440101b1ef7e21408f366316fb933", kill_on_drop: false }`
[INFO] [stdout] 5d8a02601c4fafd2c7eb68798590ea9fc50440101b1ef7e21408f366316fb933
