[INFO] crate amethyst_audio 0.6.0 is already in cache
[INFO] extracting crate amethyst_audio 0.6.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/amethyst_audio/0.6.0
[INFO] extracting crate amethyst_audio 0.6.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/amethyst_audio/0.6.0
[INFO] validating manifest of amethyst_audio-0.6.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amethyst_audio-0.6.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amethyst_audio-0.6.0
[INFO] finished frobbing amethyst_audio-0.6.0
[INFO] frobbed toml for amethyst_audio-0.6.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/amethyst_audio/0.6.0/Cargo.toml
[INFO] started frobbing amethyst_audio-0.6.0
[INFO] finished frobbing amethyst_audio-0.6.0
[INFO] frobbed toml for amethyst_audio-0.6.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/amethyst_audio/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking amethyst_audio-0.6.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/amethyst_audio/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c91a866131e8b67dc6ff2c2d1d26cae809fb22cc3e140b274be0f102ed0ba9d4
[INFO] running `"docker" "start" "-a" "c91a866131e8b67dc6ff2c2d1d26cae809fb22cc3e140b274be0f102ed0ba9d4"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking amethyst_error v0.1.0
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking thread_profiler v0.3.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking gfx-hal v0.2.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]     Checking shred v0.7.2
[INFO] [stderr]     Checking genmesh v0.6.2
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]    Compiling alga_derive v0.9.1
[INFO] [stderr]     Checking specs v0.14.3
[INFO] [stderr]     Checking specs-hierarchy v0.3.1
[INFO] [stderr]     Checking winit v0.19.3
[INFO] [stderr]     Checking gfx-backend-empty v0.2.1
[INFO] [stderr]     Checking rendy-memory v0.3.0
[INFO] [stderr]     Checking rendy-descriptor v0.3.0
[INFO] [stderr]     Checking rendy-chain v0.3.1
[INFO] [stderr]     Checking rendy-util v0.3.1
[INFO] [stderr]     Checking rendy-command v0.3.0
[INFO] [stderr]     Checking rendy-resource v0.3.0
[INFO] [stderr]     Checking rendy-wsi v0.3.0
[INFO] [stderr]     Checking rendy-factory v0.3.1
[INFO] [stderr]     Checking amethyst_core v0.6.0
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking amethyst_window v0.1.0
[INFO] [stderr]     Checking amethyst_assets v0.7.0
[INFO] [stderr]     Checking rendy-frame v0.3.0
[INFO] [stderr]     Checking rendy-shader v0.3.0
[INFO] [stderr]     Checking rendy-mesh v0.3.1
[INFO] [stderr]     Checking rendy-texture v0.3.0
[INFO] [stderr]     Checking amethyst_input v0.7.1
[INFO] [stderr]     Checking amethyst_audio v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking rendy-graph v0.3.2
[INFO] [stderr]     Checking amethyst_controls v0.5.0
[INFO] [stderr]     Checking rendy v0.3.2
[INFO] [stderr]     Checking amethyst_rendy v0.1.2
[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" "c91a866131e8b67dc6ff2c2d1d26cae809fb22cc3e140b274be0f102ed0ba9d4"`
[INFO] running `"docker" "rm" "-f" "c91a866131e8b67dc6ff2c2d1d26cae809fb22cc3e140b274be0f102ed0ba9d4"`
[INFO] [stdout] c91a866131e8b67dc6ff2c2d1d26cae809fb22cc3e140b274be0f102ed0ba9d4