[INFO] crate amethyst-rhusics 0.3.0 is already in cache
[INFO] extracting crate amethyst-rhusics 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/amethyst-rhusics/0.3.0
[INFO] extracting crate amethyst-rhusics 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/amethyst-rhusics/0.3.0
[INFO] validating manifest of amethyst-rhusics-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amethyst-rhusics-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amethyst-rhusics-0.3.0
[INFO] finished frobbing amethyst-rhusics-0.3.0
[INFO] frobbed toml for amethyst-rhusics-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/amethyst-rhusics/0.3.0/Cargo.toml
[INFO] started frobbing amethyst-rhusics-0.3.0
[INFO] finished frobbing amethyst-rhusics-0.3.0
[INFO] frobbed toml for amethyst-rhusics-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/amethyst-rhusics/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing amethyst-rhusics-0.3.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/amethyst-rhusics/0.3.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 99dc409f77201fa0ab42a66ebfb6ae54564b1579dbd08ec04fc83e807d7c8dc3
[INFO] running `"docker" "start" "-a" "99dc409f77201fa0ab42a66ebfb6ae54564b1579dbd08ec04fc83e807d7c8dc3"`
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling shred v0.7.2
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling collision v0.18.0
[INFO] [stderr]    Compiling genmesh v0.6.2
[INFO] [stderr]    Compiling specs v0.12.3
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.3.0
[INFO] [stderr]    Compiling winit v0.17.2
[INFO] [stderr]    Compiling rhusics-transform v0.4.0
[INFO] [stderr]    Compiling specs-hierarchy v0.2.1
[INFO] [stderr]    Compiling rhusics-core v0.6.0
[INFO] [stderr]    Compiling amethyst_core v0.4.0
[INFO] [stderr]    Compiling amethyst_assets v0.5.0
[INFO] [stderr]    Compiling rhusics-ecs v0.6.0
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/amethyst_assets-0.5.0/src/prefab/mod.rs:363:22
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 name.as_ref(),
[INFO] [stderr]     |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `amethyst_assets`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "99dc409f77201fa0ab42a66ebfb6ae54564b1579dbd08ec04fc83e807d7c8dc3"`
[INFO] running `"docker" "rm" "-f" "99dc409f77201fa0ab42a66ebfb6ae54564b1579dbd08ec04fc83e807d7c8dc3"`
[INFO] [stdout] 99dc409f77201fa0ab42a66ebfb6ae54564b1579dbd08ec04fc83e807d7c8dc3