[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishflab%2Fblackhole" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rishflab/blackhole on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-88/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-random-macro v0.1.6
[INFO] [stderr]   Downloaded derivative v1.0.3
[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 bincode v1.2.1
[INFO] [stderr]   Downloaded ash v0.29.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.0
[INFO] [stderr]   Downloaded hibitset v0.6.2
[INFO] [stderr]   Downloaded thread_local v1.0.0
[INFO] [stderr]   Downloaded nalgebra v0.17.3
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded nalgebra-glm v0.3.0
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded shred v0.9.4
[INFO] [stderr]   Downloaded glsl-to-spirv v0.1.7
[INFO] [stderr]   Downloaded specs v0.15.1
[INFO] [stderr]   Downloaded gfx-hal v0.4.1
[INFO] [stderr]   Downloaded const-random v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e62f7b6a6bd6d965bc5d4ba2077194e77594a1d5c627a6e2359f42263c9b0eda
[INFO] running `Command { std: "docker" "start" "-a" "e62f7b6a6bd6d965bc5d4ba2077194e77594a1d5c627a6e2359f42263c9b0eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e62f7b6a6bd6d965bc5d4ba2077194e77594a1d5c627a6e2359f42263c9b0eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62f7b6a6bd6d965bc5d4ba2077194e77594a1d5c627a6e2359f42263c9b0eda", kill_on_drop: false }`
[INFO] [stdout] e62f7b6a6bd6d965bc5d4ba2077194e77594a1d5c627a6e2359f42263c9b0eda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dfc4942850ed877ceec19c22bae5f242be21bdc0447a8816b1c490c4655ea66
[INFO] running `Command { std: "docker" "start" "-a" "6dfc4942850ed877ceec19c22bae5f242be21bdc0447a8816b1c490c4655ea66", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v1.0.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[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-0.6.13/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=ebfd92dbf71fafbd -C extra-filename=-ebfd92dbf71fafbd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "6dfc4942850ed877ceec19c22bae5f242be21bdc0447a8816b1c490c4655ea66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfc4942850ed877ceec19c22bae5f242be21bdc0447a8816b1c490c4655ea66", kill_on_drop: false }`
[INFO] [stdout] 6dfc4942850ed877ceec19c22bae5f242be21bdc0447a8816b1c490c4655ea66