Aug 11 13:41:33.521 INFO checking gfx_window_metal-0.6.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 13:41:33.521 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 13:41:33.521 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 13:41:33.521 INFO running `"docker" "create" "-v" "/tmp/crater.7mFMG4DfSSYa:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 13:41:33.678 INFO blam! 4bf925fefb38fdb8873614df0d96d641f8aefd82907f3702572ea3b825777bdc
Aug 11 13:41:33.680 INFO running `"docker" "start" "-a" "4bf925fefb38fdb8873614df0d96d641f8aefd82907f3702572ea3b825777bdc"`
Aug 11 13:41:34.746 INFO kablam!    Compiling core-foundation-sys v0.3.1
Aug 11 13:41:34.747 INFO kablam!     Checking block v0.1.6
Aug 11 13:41:34.748 INFO kablam!    Compiling objc_exception v0.1.1
Aug 11 13:41:34.748 INFO kablam!     Checking malloc_buf v0.0.6
Aug 11 13:41:36.533 INFO kablam! error: failed to run custom build command for `objc_exception v0.1.1`
Aug 11 13:41:36.533 INFO kablam! process didn't exit successfully: `/target/debug/build/objc_exception-096a5a22dd934cf0/build-script-build` (exit code: 101)
Aug 11 13:41:36.533 INFO kablam! --- stdout
Aug 11 13:41:36.533 INFO kablam! TARGET = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.533 INFO kablam! OPT_LEVEL = Some("0")
Aug 11 13:41:36.533 INFO kablam! TARGET = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.533 INFO kablam! HOST = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.533 INFO kablam! TARGET = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.533 INFO kablam! TARGET = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.533 INFO kablam! HOST = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.533 INFO kablam! CC_x86_64-unknown-linux-gnu = None
Aug 11 13:41:36.533 INFO kablam! CC_x86_64_unknown_linux_gnu = None
Aug 11 13:41:36.533 INFO kablam! HOST_CC = None
Aug 11 13:41:36.533 INFO kablam! CC = None
Aug 11 13:41:36.533 INFO kablam! HOST = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.534 INFO kablam! TARGET = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.534 INFO kablam! HOST = Some("x86_64-unknown-linux-gnu")
Aug 11 13:41:36.534 INFO kablam! CFLAGS_x86_64-unknown-linux-gnu = None
Aug 11 13:41:36.534 INFO kablam! CFLAGS_x86_64_unknown_linux_gnu = None
Aug 11 13:41:36.534 INFO kablam! HOST_CFLAGS = None
Aug 11 13:41:36.534 INFO kablam! CFLAGS = None
Aug 11 13:41:36.534 INFO kablam! DEBUG = Some("true")
Aug 11 13:41:36.534 INFO kablam! running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/target/debug/build/objc_exception-438fc8d4aaff300a/out/extern/exception.o" "-c" "extern/exception.m"
Aug 11 13:41:36.534 INFO kablam! cargo:warning=cc: error trying to exec 'cc1obj': execvp: No such file or directory
Aug 11 13:41:36.534 INFO kablam! exit code: 1
Aug 11 13:41:36.534 INFO kablam! 
Aug 11 13:41:36.534 INFO kablam! --- stderr
Aug 11 13:41:36.534 INFO kablam! thread 'main' panicked at '
Aug 11 13:41:36.534 INFO kablam! 
Aug 11 13:41:36.534 INFO kablam! Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/target/debug/build/objc_exception-438fc8d4aaff300a/out/extern/exception.o" "-c" "extern/exception.m" with args "cc" did not execute successfully (status code exit code: 1).
Aug 11 13:41:36.534 INFO kablam! 
Aug 11 13:41:36.534 INFO kablam! ', /cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:1670:5
Aug 11 13:41:36.534 INFO kablam! stack backtrace:
Aug 11 13:41:36.534 INFO kablam!    0:     0x5597bc2a5abe - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h56b478bd6261cdea
Aug 11 13:41:36.534 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 11 13:41:36.534 INFO kablam!    1:     0x5597bc29ab46 - std::sys_common::backtrace::print::h8838f036695641c1
Aug 11 13:41:36.534 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 11 13:41:36.534 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 11 13:41:36.534 INFO kablam!    2:     0x5597bc296b5d - std::panicking::default_hook::{{closure}}::h07e37170271eb3a7
Aug 11 13:41:36.534 INFO kablam!                                at libstd/panicking.rs:211
Aug 11 13:41:36.534 INFO kablam!    3:     0x5597bc2968d0 - std::panicking::default_hook::h1ad13ac34d74cb6f
Aug 11 13:41:36.534 INFO kablam!                                at libstd/panicking.rs:227
Aug 11 13:41:36.534 INFO kablam!    4:     0x5597bc29717c - std::panicking::rust_panic_with_hook::h07b48b4bcd79aad0
Aug 11 13:41:36.534 INFO kablam!                                at libstd/panicking.rs:475
Aug 11 13:41:36.534 INFO kablam!    5:     0x5597bc296d79 - std::panicking::continue_panic_fmt::hc4081a7dfb4b8a83
Aug 11 13:41:36.534 INFO kablam!                                at libstd/panicking.rs:390
Aug 11 13:41:36.534 INFO kablam!    6:     0x5597bc296cdd - std::panicking::begin_panic_fmt::hfb0d818a6c651056
Aug 11 13:41:36.534 INFO kablam!                                at libstd/panicking.rs:345
Aug 11 13:41:36.535 INFO kablam!    7:     0x5597bc25d3a1 - gcc::fail::ha00d0a7b3c16903a
Aug 11 13:41:36.535 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:1670
Aug 11 13:41:36.535 INFO kablam!    8:     0x5597bc24d2bb - gcc::Build::compile::h0a51800e9b841d0a
Aug 11 13:41:36.535 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:783
Aug 11 13:41:36.535 INFO kablam!    9:     0x5597bc248be4 - gcc::compile_library::hd0618e2e6a6b12fd
Aug 11 13:41:36.535 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:242
Aug 11 13:41:36.535 INFO kablam!   10:     0x5597bc248412 - build_script_build::main::hd4f7bb62977da3e2
Aug 11 13:41:36.535 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/objc_exception-0.1.1/build.rs:4
Aug 11 13:41:36.535 INFO kablam!   11:     0x5597bc2484cf - std::rt::lang_start::{{closure}}::h8113f4d6aaa5d4e2
Aug 11 13:41:36.535 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 11 13:41:36.535 INFO kablam!   12:     0x5597bc296c62 - std::panicking::try::do_call::haa9e0167fafd552a
Aug 11 13:41:36.535 INFO kablam!                                at libstd/rt.rs:59
Aug 11 13:41:36.535 INFO kablam!                                at libstd/panicking.rs:310
Aug 11 13:41:36.535 INFO kablam!   13:     0x5597bc2b84c9 - __rust_maybe_catch_panic
Aug 11 13:41:36.535 INFO kablam!                                at libpanic_unwind/lib.rs:105
Aug 11 13:41:36.535 INFO kablam!   14:     0x5597bc2a0b35 - std::rt::lang_start_internal::hfce2f8e9f7e3c6bc
Aug 11 13:41:36.535 INFO kablam!                                at libstd/panicking.rs:289
Aug 11 13:41:36.535 INFO kablam!                                at libstd/panic.rs:392
Aug 11 13:41:36.535 INFO kablam!                                at libstd/rt.rs:58
Aug 11 13:41:36.535 INFO kablam!   15:     0x5597bc2484a7 - std::rt::lang_start::h143c307c0b81920b
Aug 11 13:41:36.535 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 11 13:41:36.535 INFO kablam!   16:     0x5597bc248449 - main
Aug 11 13:41:36.535 INFO kablam!   17:     0x7fc49e2aa82f - __libc_start_main
Aug 11 13:41:36.535 INFO kablam!   18:     0x5597bc248298 - _start
Aug 11 13:41:36.535 INFO kablam!   19:                0x0 - <unknown>
Aug 11 13:41:36.535 INFO kablam! 
Aug 11 13:41:36.536 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 13:41:36.777 INFO kablam! error: native frameworks are only available on macOS targets
Aug 11 13:41:36.777 INFO kablam! 
Aug 11 13:41:36.822 INFO kablam! error: aborting due to previous error
Aug 11 13:41:36.822 INFO kablam! 
Aug 11 13:41:36.835 INFO kablam! error: Could not compile `core-foundation-sys`.
Aug 11 13:41:36.836 INFO kablam! 
Aug 11 13:41:36.836 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 13:41:36.838 INFO kablam! su: No module specific data is present
Aug 11 13:41:37.419 INFO running `"docker" "rm" "-f" "4bf925fefb38fdb8873614df0d96d641f8aefd82907f3702572ea3b825777bdc"`
Aug 11 13:41:37.552 INFO blam! 4bf925fefb38fdb8873614df0d96d641f8aefd82907f3702572ea3b825777bdc