[INFO] crate amethyst_utils 0.6.0 is already in cache
[INFO] extracting crate amethyst_utils 0.6.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/amethyst_utils/0.6.0
[INFO] extracting crate amethyst_utils 0.6.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/amethyst_utils/0.6.0
[INFO] validating manifest of amethyst_utils-0.6.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amethyst_utils-0.6.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amethyst_utils-0.6.0
[INFO] finished frobbing amethyst_utils-0.6.0
[INFO] frobbed toml for amethyst_utils-0.6.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/amethyst_utils/0.6.0/Cargo.toml
[INFO] started frobbing amethyst_utils-0.6.0
[INFO] finished frobbing amethyst_utils-0.6.0
[INFO] frobbed toml for amethyst_utils-0.6.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/amethyst_utils/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing amethyst_utils-0.6.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/amethyst_utils/0.6.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 263c33dbc28ef81a6a2572f5340e2b768e39ee77a61e1ee38849a3a27e57aaba
[INFO] running `"docker" "start" "-a" "263c33dbc28ef81a6a2572f5340e2b768e39ee77a61e1ee38849a3a27e57aaba"`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling static_assertions v0.3.3
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling mint v0.5.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling objekt v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]    Compiling derive-new v0.5.7
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling amethyst_derive v0.4.0
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling amethyst_error v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling ron v0.5.1
[INFO] [stderr]    Compiling serde_bytes v0.11.1
[INFO] [stderr]    Compiling erased-serde v0.3.9
[INFO] [stderr]    Compiling ron v0.4.2
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling inventory v0.1.3
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling thread_profiler v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling gfx-hal v0.2.1
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling alga_derive v0.9.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling genmesh v0.6.2
[INFO] [stderr]    Compiling amethyst_config v0.10.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling wavefront_obj v6.0.0
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling glsl-layout-derive v0.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling shred v0.7.2
[INFO] [stderr]    Compiling glsl-layout v0.3.0
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling specs-hierarchy v0.3.1
[INFO] [stderr]    Compiling winit v0.19.2
[INFO] [stderr]    Compiling gfx-backend-empty v0.2.1
[INFO] [stderr]    Compiling rendy-memory v0.3.0
[INFO] [stderr]    Compiling rendy-descriptor v0.3.0
[INFO] [stderr]    Compiling rendy-chain v0.3.1
[INFO] [stderr]    Compiling rendy-util v0.3.1
[INFO] [stderr]    Compiling rendy-command v0.3.0
[INFO] [stderr]    Compiling rendy-resource v0.3.0
[INFO] [stderr]    Compiling rendy-wsi v0.3.0
[INFO] [stderr]    Compiling rendy-factory v0.3.1
[INFO] [stderr]    Compiling rendy-frame v0.3.0
[INFO] [stderr]    Compiling rendy-shader v0.3.0
[INFO] [stderr]    Compiling rendy-mesh v0.3.1
[INFO] [stderr]    Compiling rendy-texture v0.3.0
[INFO] [stderr]    Compiling rendy-graph v0.3.2
[INFO] [stderr]    Compiling amethyst_core v0.6.0
[INFO] [stderr]    Compiling amethyst_window v0.1.0
[INFO] [stderr]    Compiling amethyst_assets v0.7.0
[INFO] [stderr]    Compiling amethyst_input v0.7.1
[INFO] [stderr]    Compiling rendy v0.3.2
[INFO] [stderr]    Compiling amethyst_rendy v0.1.2
[INFO] [stderr]    Compiling amethyst_controls v0.5.0
[INFO] [stderr] error: You must specify at least one graphical backend feature: "metal" , "vulkan" , "empty"
[INFO] [stderr] "See the wiki article https://github.com/amethyst/amethyst/wiki/GraphicalBackendError for more details."
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/amethyst_rendy-0.1.2/src/types.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | / impl_backends!(
[INFO] [stderr] 113 | |     // DirectX 12 is currently disabled because of incomplete gfx-hal support for it.
[INFO] [stderr] 114 | |     // It will be re-enabled when it actually works.
[INFO] [stderr] 115 | |     // Dx12, "dx12", rendy::dx12::Backend; 
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |     Empty, "empty", rendy::empty::Backend;
[INFO] [stderr] 119 | | );
[INFO] [stderr]     | |__^ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `amethyst_rendy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "263c33dbc28ef81a6a2572f5340e2b768e39ee77a61e1ee38849a3a27e57aaba"`
[INFO] running `"docker" "rm" "-f" "263c33dbc28ef81a6a2572f5340e2b768e39ee77a61e1ee38849a3a27e57aaba"`
[INFO] [stdout] 263c33dbc28ef81a6a2572f5340e2b768e39ee77a61e1ee38849a3a27e57aaba