[INFO] cloning repository https://github.com/nmccarty/asuran
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmccarty/asuran" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmccarty%2Fasuran", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmccarty%2Fasuran'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa630704795f11a26c3d2e99d8f0e34d5082624b
[INFO] documenting nmccarty/asuran against beta-2021-09-08 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmccarty%2Fasuran" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmccarty/asuran on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nmccarty/asuran
[INFO] finished tweaking git repo https://github.com/nmccarty/asuran
[INFO] tweaked toml for git repo https://github.com/nmccarty/asuran written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/nmccarty/asuran already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a2238c21f96ec226f63a7723ab64c9f5f892616dd14aa06b1b622f51ecd4d84
[INFO] running `Command { std: "docker" "start" "-a" "1a2238c21f96ec226f63a7723ab64c9f5f892616dd14aa06b1b622f51ecd4d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2238c21f96ec226f63a7723ab64c9f5f892616dd14aa06b1b622f51ecd4d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2238c21f96ec226f63a7723ab64c9f5f892616dd14aa06b1b622f51ecd4d84", kill_on_drop: false }`
[INFO] [stdout] 1a2238c21f96ec226f63a7723ab64c9f5f892616dd14aa06b1b622f51ecd4d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e07f85a9f4ac6a3b668a74bac8f491a78d03439b8f68ddca4acd40aa9bbeea1
[INFO] running `Command { std: "docker" "start" "-a" "5e07f85a9f4ac6a3b668a74bac8f491a78d03439b8f68ddca4acd40aa9bbeea1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.32
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking cache-padded v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking parking v1.0.1
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking base64 v0.12.2
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking fastrand v1.2.4
[INFO] [stderr]     Checking fastcdc v1.0.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking event-listener v1.2.0
[INFO] [stderr]     Checking event-listener v2.0.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking lru v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking async-lock v1.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling heck v0.3.1
[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-0.6.18/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=6816355131cda5c9 -C extra-filename=-6816355131cda5c9 --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" "5e07f85a9f4ac6a3b668a74bac8f491a78d03439b8f68ddca4acd40aa9bbeea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e07f85a9f4ac6a3b668a74bac8f491a78d03439b8f68ddca4acd40aa9bbeea1", kill_on_drop: false }`
[INFO] [stdout] 5e07f85a9f4ac6a3b668a74bac8f491a78d03439b8f68ddca4acd40aa9bbeea1