[INFO] crate conrod_vulkano 0.66.0 is already in cache
[INFO] extracting crate conrod_vulkano 0.66.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/conrod_vulkano/0.66.0
[INFO] extracting crate conrod_vulkano 0.66.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/conrod_vulkano/0.66.0
[INFO] validating manifest of conrod_vulkano-0.66.0 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 conrod_vulkano-0.66.0 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 conrod_vulkano-0.66.0
[INFO] finished frobbing conrod_vulkano-0.66.0
[INFO] frobbed toml for conrod_vulkano-0.66.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/conrod_vulkano/0.66.0/Cargo.toml
[INFO] started frobbing conrod_vulkano-0.66.0
[INFO] finished frobbing conrod_vulkano-0.66.0
[INFO] frobbed toml for conrod_vulkano-0.66.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/conrod_vulkano/0.66.0/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 conrod_vulkano-0.66.0 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-0/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/conrod_vulkano/0.66.0:/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] 4de310a09e86871b59db18c8254f82424d477f03ce935062bd677bf56ea79a1d
[INFO] running `"docker" "start" "-a" "4de310a09e86871b59db18c8254f82424d477f03ce935062bd677bf56ea79a1d"`
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling vulkano v0.13.0
[INFO] [stderr]    Compiling vk-sys v0.4.0
[INFO] [stderr]    Compiling instant v0.1.1
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling conrod_derive v0.66.0
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling conrod_core v0.66.0
[INFO] [stderr] error: Could not compile `conrod_core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name conrod_core /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/conrod_core-0.66.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=d0aff96e69d41256 -C extra-filename=-d0aff96e69d41256 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern conrod_derive=/opt/crater/target/debug/deps/libconrod_derive-2a945fb9de89a9ec.so --extern daggy=/opt/crater/target/debug/deps/libdaggy-366d1b28d10b1302.rmeta --extern fnv=/opt/crater/target/debug/deps/libfnv-6e18f98be4338210.rmeta --extern instant=/opt/crater/target/debug/deps/libinstant-f5ad5e46f3478baf.rmeta --extern num=/opt/crater/target/debug/deps/libnum-ab67dc4436e7f779.rmeta --extern input=/opt/crater/target/debug/deps/libinput-79b1766c7c9e33fb.rmeta --extern rusttype=/opt/crater/target/debug/deps/librusttype-9864af69b88196b9.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: Could not compile `vulkano`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name vulkano /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vulkano-0.13.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=15931470dc55d66b -C extra-filename=-15931470dc55d66b --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern crossbeam=/opt/crater/target/debug/deps/libcrossbeam-817923942be05f1f.rmeta --extern fnv=/opt/crater/target/debug/deps/libfnv-6e18f98be4338210.rmeta --extern half=/opt/crater/target/debug/deps/libhalf-264e0a47002ac180.rmeta --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-1f7a4359e40a6da9.rmeta --extern shared_library=/opt/crater/target/debug/deps/libshared_library-e715ec3127461678.rmeta --extern smallvec=/opt/crater/target/debug/deps/libsmallvec-7295b1a781bd56b7.rmeta --extern vk_sys=/opt/crater/target/debug/deps/libvk_sys-4ffc87e2b2f68bc6.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "4de310a09e86871b59db18c8254f82424d477f03ce935062bd677bf56ea79a1d"`
[INFO] running `"docker" "rm" "-f" "4de310a09e86871b59db18c8254f82424d477f03ce935062bd677bf56ea79a1d"`
[INFO] [stdout] 4de310a09e86871b59db18c8254f82424d477f03ce935062bd677bf56ea79a1d