Sep 06 06:36:21.661 INFO checking gfx_device_metal-0.3.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 06:36:21.661 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 06:36:21.661 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 06:36:21.994 INFO blam! bdcb2da8b4df8f17aca8d7b772c771921438dea20eea2f9368a956456425adc2
Sep 06 06:36:21.999 INFO running `"docker" "start" "-a" "bdcb2da8b4df8f17aca8d7b772c771921438dea20eea2f9368a956456425adc2"`
Sep 06 06:36:23.194 INFO kablam! usermod: no changes
Sep 06 06:36:23.362 INFO kablam!    Compiling core-foundation-sys v0.3.1
Sep 06 06:36:23.362 INFO kablam!    Compiling objc_exception v0.1.1
Sep 06 06:36:23.362 INFO kablam!     Checking malloc_buf v0.0.6
Sep 06 06:36:24.810 INFO kablam! error: native frameworks are only available on macOS targets
Sep 06 06:36:24.810 INFO kablam! 
Sep 06 06:36:24.838 INFO kablam! error: aborting due to previous error
Sep 06 06:36:24.838 INFO kablam! 
Sep 06 06:36:24.846 INFO kablam! error: Could not compile `core-foundation-sys`.
Sep 06 06:36:24.846 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 06:36:25.042 INFO kablam! error: build failed
Sep 06 06:36:25.042 INFO kablam! su: No module specific data is present
Sep 06 06:36:25.760 INFO running `"docker" "rm" "-f" "bdcb2da8b4df8f17aca8d7b772c771921438dea20eea2f9368a956456425adc2"`
Sep 06 06:36:25.874 INFO blam! bdcb2da8b4df8f17aca8d7b772c771921438dea20eea2f9368a956456425adc2