[INFO] updating cached repository https://github.com/lcnr/wgpu_err
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 562211d862eddb521d2ead66eab4a8632153197c
[INFO] testing lcnr/wgpu_err against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fwgpu_err" "/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/lcnr/wgpu_err on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lcnr/wgpu_err
[INFO] finished tweaking git repo https://github.com/lcnr/wgpu_err
[INFO] tweaked toml for git repo https://github.com/lcnr/wgpu_err written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/lcnr/wgpu_err already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4ae8827232f4a4289925e8e7577d28438f10b2ac87c5b57f57703a741cd3513
[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" "a4ae8827232f4a4289925e8e7577d28438f10b2ac87c5b57f57703a741cd3513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4ae8827232f4a4289925e8e7577d28438f10b2ac87c5b57f57703a741cd3513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ae8827232f4a4289925e8e7577d28438f10b2ac87c5b57f57703a741cd3513", kill_on_drop: false }`
[INFO] [stdout] a4ae8827232f4a4289925e8e7577d28438f10b2ac87c5b57f57703a741cd3513
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1171685a1005d867520ebd80d5aa75f4a6f0c1f20d2a140d10f145892c9a3c8
[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" "a1171685a1005d867520ebd80d5aa75f4a6f0c1f20d2a140d10f145892c9a3c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[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-0.6.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=92acdf222190c860 -C extra-filename=-92acdf222190c860 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-614f2a2fa553724d.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" "a1171685a1005d867520ebd80d5aa75f4a6f0c1f20d2a140d10f145892c9a3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1171685a1005d867520ebd80d5aa75f4a6f0c1f20d2a140d10f145892c9a3c8", kill_on_drop: false }`
[INFO] [stdout] a1171685a1005d867520ebd80d5aa75f4a6f0c1f20d2a140d10f145892c9a3c8