[INFO] fetching crate eww 0.0.1-alpha.2...
[INFO] testing eww-0.0.1-alpha.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate eww 0.0.1-alpha.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate eww 0.0.1-alpha.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eww 0.0.1-alpha.2
[INFO] finished tweaking crates.io crate eww 0.0.1-alpha.2
[INFO] tweaked toml for crates.io crate eww 0.0.1-alpha.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb6db0a06c2fbc3701d1f66cb5d137fe23982b18f2da48de57ddf463dca64fbe
[INFO] running `Command { std: "docker" "start" "-a" "eb6db0a06c2fbc3701d1f66cb5d137fe23982b18f2da48de57ddf463dca64fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb6db0a06c2fbc3701d1f66cb5d137fe23982b18f2da48de57ddf463dca64fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6db0a06c2fbc3701d1f66cb5d137fe23982b18f2da48de57ddf463dca64fbe", kill_on_drop: false }`
[INFO] [stdout] eb6db0a06c2fbc3701d1f66cb5d137fe23982b18f2da48de57ddf463dca64fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 814b195e67207ea17d8caf88c14692cde4eb86233fefc33f85be317f2e2125a0
[INFO] running `Command { std: "docker" "start" "-a" "814b195e67207ea17d8caf88c14692cde4eb86233fefc33f85be317f2e2125a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.1.3
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling glow v0.9.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling emath v0.13.0
[INFO] [stderr]    Compiling profiling v1.0.3
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling mint v0.5.6
[INFO] [stderr]    Compiling webbrowser v0.5.5
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.9.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling ash v0.32.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling wgpu-core v0.9.2
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling gpu-alloc v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling gfx-renderdoc v0.1.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.12.1
[INFO] [stderr]    Compiling gpu-descriptor v0.1.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling external-memory v0.0.1
[INFO] [stderr]    Compiling ab_glyph v0.2.11
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.32.1/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"' --cfg 'feature="libloading"' -C metadata=73687683aa2e0e82 -C extra-filename=-73687683aa2e0e82 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-c98e31a28bc7d3ae.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" "814b195e67207ea17d8caf88c14692cde4eb86233fefc33f85be317f2e2125a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814b195e67207ea17d8caf88c14692cde4eb86233fefc33f85be317f2e2125a0", kill_on_drop: false }`
[INFO] [stdout] 814b195e67207ea17d8caf88c14692cde4eb86233fefc33f85be317f2e2125a0