[INFO] cloning repository https://github.com/rishflab/blackhole
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rishflab/blackhole" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishflab%2Fblackhole", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishflab%2Fblackhole'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b2cbb7170f341fb7d9b8e21e619db7f1148614d
[INFO] testing rishflab/blackhole against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishflab%2Fblackhole" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rishflab/blackhole on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rishflab/blackhole
[INFO] finished tweaking git repo https://github.com/rishflab/blackhole
[INFO] tweaked toml for git repo https://github.com/rishflab/blackhole written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/rishflab/blackhole already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rishflab/not-mechanical-engine`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.2.18
[INFO] [stderr]   Downloaded inflections v1.1.1
[INFO] [stderr]   Downloaded const-random-macro v0.1.6
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded hibitset v0.6.2
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded alga v0.8.2
[INFO] [stderr]   Downloaded const-random v0.1.6
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded nalgebra v0.17.3
[INFO] [stderr]   Downloaded nalgebra-glm v0.3.0
[INFO] [stderr]   Downloaded thread_local v1.0.0
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded ash v0.29.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.0
[INFO] [stderr]   Downloaded gfx-hal v0.4.1
[INFO] [stderr]   Downloaded glsl-to-spirv v0.1.7
[INFO] [stderr]   Downloaded gltf-derive v0.12.0
[INFO] [stderr]   Downloaded gltf-json v0.12.0
[INFO] [stderr]   Downloaded gltf v0.12.0
[INFO] [stderr]   Downloaded shred v0.9.4
[INFO] [stderr]   Downloaded specs v0.15.1
[INFO] [stderr]   Downloaded hashbrown v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6dbc8c6f10476956c26d36238cd907e61d934862e8ef83e0f034715be6b82513
[INFO] running `Command { std: "docker" "start" "-a" "6dbc8c6f10476956c26d36238cd907e61d934862e8ef83e0f034715be6b82513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dbc8c6f10476956c26d36238cd907e61d934862e8ef83e0f034715be6b82513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbc8c6f10476956c26d36238cd907e61d934862e8ef83e0f034715be6b82513", kill_on_drop: false }`
[INFO] [stdout] 6dbc8c6f10476956c26d36238cd907e61d934862e8ef83e0f034715be6b82513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3581cd461d5191c3a908c7c786df204aca4e157423d50e40bf7561f1d28d4df3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3581cd461d5191c3a908c7c786df204aca4e157423d50e40bf7561f1d28d4df3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling thread_local v1.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling gltf-derive v0.12.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]    Compiling ash v0.29.0
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling nalgebra v0.17.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.3.3/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --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=17c5301cba3d1e91 -C extra-filename=-17c5301cba3d1e91 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-c49ca2b3cd796eea.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-90f1b6a8c049ca91.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-8deb6a5529bd0e86.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-cc41f1e976de3ac0.rmeta --cap-lints allow --cap-lints=warn` (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" "3581cd461d5191c3a908c7c786df204aca4e157423d50e40bf7561f1d28d4df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3581cd461d5191c3a908c7c786df204aca4e157423d50e40bf7561f1d28d4df3", kill_on_drop: false }`
[INFO] [stdout] 3581cd461d5191c3a908c7c786df204aca4e157423d50e40bf7561f1d28d4df3