[INFO] fetching crate nuklear-backend-wgpurs 0.3.0...
[INFO] testing nuklear-backend-wgpurs-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nuklear-backend-wgpurs 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nuklear-backend-wgpurs 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nuklear-backend-wgpurs 0.3.0
[INFO] finished tweaking crates.io crate nuklear-backend-wgpurs 0.3.0
[INFO] tweaked toml for crates.io crate nuklear-backend-wgpurs 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47beef3167c7e1ef9a9e976f41f65927124629a4e2c7772c5225aaa6c0d030b1
[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" "47beef3167c7e1ef9a9e976f41f65927124629a4e2c7772c5225aaa6c0d030b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47beef3167c7e1ef9a9e976f41f65927124629a4e2c7772c5225aaa6c0d030b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47beef3167c7e1ef9a9e976f41f65927124629a4e2c7772c5225aaa6c0d030b1", kill_on_drop: false }`
[INFO] [stdout] 47beef3167c7e1ef9a9e976f41f65927124629a4e2c7772c5225aaa6c0d030b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 8606c9db35c60a88a3731ab5bfd5e021f71a8797837e98c72df6c2bf534baff8
[INFO] running `Command { std: "docker" "start" "-a" "8606c9db35c60a88a3731ab5bfd5e021f71a8797837e98c72df6c2bf534baff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling nuklear-sys v4.0.5
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling ash v0.29.0
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling nuklear-rust v0.6.3
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.29.0/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="default"' -C metadata=d22f35d80d5e8875 -C extra-filename=-d22f35d80d5e8875 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-ac48b47d3cf3a907.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" "8606c9db35c60a88a3731ab5bfd5e021f71a8797837e98c72df6c2bf534baff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8606c9db35c60a88a3731ab5bfd5e021f71a8797837e98c72df6c2bf534baff8", kill_on_drop: false }`
[INFO] [stdout] 8606c9db35c60a88a3731ab5bfd5e021f71a8797837e98c72df6c2bf534baff8