[INFO] updating cached repository cynic64/voxels-vulkano
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cynic64/voxels-vulkano
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cynic64/voxels-vulkano" "work/ex/beta-1.37-6/sources/1.36.0/gh/cynic64/voxels-vulkano"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cynic64/voxels-vulkano'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cynic64/voxels-vulkano" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cynic64/voxels-vulkano"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cynic64/voxels-vulkano'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69797e4119fb2e9ab922155b9d287b94e3abcea1
[INFO] sha for GitHub repo cynic64/voxels-vulkano: 69797e4119fb2e9ab922155b9d287b94e3abcea1
[INFO] validating manifest of cynic64/voxels-vulkano 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 cynic64/voxels-vulkano 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 cynic64/voxels-vulkano
[INFO] finished frobbing cynic64/voxels-vulkano
[INFO] frobbed toml for cynic64/voxels-vulkano written to work/ex/beta-1.37-6/sources/1.36.0/gh/cynic64/voxels-vulkano/Cargo.toml
[INFO] started frobbing cynic64/voxels-vulkano
[INFO] finished frobbing cynic64/voxels-vulkano
[INFO] frobbed toml for cynic64/voxels-vulkano written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cynic64/voxels-vulkano/Cargo.toml
[INFO] crate cynic64/voxels-vulkano already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cynic64/voxels-vulkano 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cynic64/voxels-vulkano:/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] 5555d129e0cbb7b24e8b98ab02a23163af02521008fb57909a3d079a0947017d
[INFO] running `"docker" "start" "-a" "5555d129e0cbb7b24e8b98ab02a23163af02521008fb57909a3d079a0947017d"`
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling vulkano v0.10.0
[INFO] [stderr]    Compiling vk-sys v0.3.3
[INFO] [stderr]    Compiling cmake v0.1.38
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling alga v0.9.0
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.3.0
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling winit v0.17.2
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling noise v0.5.1
[INFO] [stderr]    Compiling vulkano-win v0.10.0
[INFO] [stderr]    Compiling vulkano-shaders v0.10.0
[INFO] [stderr]    Compiling vulkano-shader-derive v0.10.0
[INFO] [stderr]    Compiling nalgebra-glm v0.4.0
[INFO] [stderr]    Compiling ncollide3d v0.19.1
[INFO] [stderr]    Compiling vulkano_text v0.8.1
[INFO] [stderr]    Compiling cube v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 E0554`.
[INFO] [stderr] error: Could not compile `cube`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5555d129e0cbb7b24e8b98ab02a23163af02521008fb57909a3d079a0947017d"`
[INFO] running `"docker" "rm" "-f" "5555d129e0cbb7b24e8b98ab02a23163af02521008fb57909a3d079a0947017d"`
[INFO] [stdout] 5555d129e0cbb7b24e8b98ab02a23163af02521008fb57909a3d079a0947017d