[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishflab%2Fblackhole" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rishflab/blackhole on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-3/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" "+1.47.0" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] aa034fcf43faa9c451f45044fba4b56cdb5b404a0b2e39e792dffffd6f71d3c9
[INFO] running `Command { std: "docker" "start" "-a" "aa034fcf43faa9c451f45044fba4b56cdb5b404a0b2e39e792dffffd6f71d3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa034fcf43faa9c451f45044fba4b56cdb5b404a0b2e39e792dffffd6f71d3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa034fcf43faa9c451f45044fba4b56cdb5b404a0b2e39e792dffffd6f71d3c9", kill_on_drop: false }`
[INFO] [stdout] aa034fcf43faa9c451f45044fba4b56cdb5b404a0b2e39e792dffffd6f71d3c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3f90e265dcfdf09261a31ebac165e2e1bc8aeea5439b967bc5958d8a7223294
[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" "e3f90e265dcfdf09261a31ebac165e2e1bc8aeea5439b967bc5958d8a7223294", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling thread_local v1.0.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling ash v0.29.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling nalgebra v0.17.3
[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=7b90640e65db9b24 -C extra-filename=-7b90640e65db9b24 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-f36d4b318313f300.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-cc4eb6ee793cedf6.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-cfe8f8c75314d458.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-234d17de78c0dcc6.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" "e3f90e265dcfdf09261a31ebac165e2e1bc8aeea5439b967bc5958d8a7223294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f90e265dcfdf09261a31ebac165e2e1bc8aeea5439b967bc5958d8a7223294", kill_on_drop: false }`
[INFO] [stdout] e3f90e265dcfdf09261a31ebac165e2e1bc8aeea5439b967bc5958d8a7223294
