[INFO] crate gfx_device_metal 0.3.0 is already in cache
[INFO] extracting crate gfx_device_metal 0.3.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/gfx_device_metal/0.3.0
[INFO] extracting crate gfx_device_metal 0.3.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/gfx_device_metal/0.3.0
[INFO] validating manifest of gfx_device_metal-0.3.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gfx_device_metal-0.3.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gfx_device_metal-0.3.0
[INFO] finished frobbing gfx_device_metal-0.3.0
[INFO] frobbed toml for gfx_device_metal-0.3.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/gfx_device_metal/0.3.0/Cargo.toml
[INFO] started frobbing gfx_device_metal-0.3.0
[INFO] finished frobbing gfx_device_metal-0.3.0
[INFO] frobbed toml for gfx_device_metal-0.3.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/gfx_device_metal/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gfx_device_metal-0.3.0 against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/gfx_device_metal/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=forbid" "-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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0bdd9bd87ec49099013167e17a9861f1da39f280024cde71c3eeb12a9c587e04
[INFO] running `"docker" "start" "-a" "0bdd9bd87ec49099013167e17a9861f1da39f280024cde71c3eeb12a9c587e04"`
[INFO] [stderr]    Compiling core-foundation-sys v0.3.1
[INFO] [stderr]    Compiling objc_exception v0.1.1
[INFO] [stderr] error: failed to run custom build command for `objc_exception v0.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/objc_exception-b1fa42db1f6108b5/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/objc_exception-c463b31d7cc7f5bd/out/extern/exception.o" "-c" "extern/exception.m"
[INFO] [stderr] cargo:warning=cc: error trying to exec 'cc1obj': execvp: No such file or directory
[INFO] [stderr] exit code: 1
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/objc_exception-c463b31d7cc7f5bd/out/extern/exception.o" "-c" "extern/exception.m" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55d12cc77ffb - backtrace::backtrace::libunwind::trace::hbfb69e72f505529b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55d12cc77ffb - backtrace::backtrace::trace_unsynchronized::hac9ea77fa06b91bd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55d12cc77ffb - std::sys_common::backtrace::_print::hf6f722cabcf8c26d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55d12cc77ffb - std::sys_common::backtrace::print::h9cca5983945bdb52
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55d12cc77ffb - std::panicking::default_hook::{{closure}}::h2fab7259edc3a80d
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55d12cc77cd7 - std::panicking::default_hook::ha99acf6d9268d46d
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55d12cc78720 - std::panicking::rust_panic_with_hook::hddab2c65ce92e648
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55d12cc782a2 - std::panicking::continue_panic_fmt::hfaaf28183fee9f60
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55d12cc781ef - std::panicking::begin_panic_fmt::h8cc4f8bb271dd3c0
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x55d12cc2ea56 - gcc::fail::hbbb308c910b2cfc6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672
[INFO] [stderr]   10:     0x55d12cc1e11c - gcc::Build::compile::h308ff0a66d88d5cf
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785
[INFO] [stderr]   11:     0x55d12cc19807 - gcc::compile_library::h758d6eaf617449e6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:243
[INFO] [stderr]   12:     0x55d12cc19095 - build_script_build::main::h1ff125fdfd5b2065
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc_exception-0.1.1/build.rs:4
[INFO] [stderr]   13:     0x55d12cc19150 - std::rt::lang_start::{{closure}}::h1e9cc8b5d1ec5ffc
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55d12cc78173 - std::rt::lang_start_internal::{{closure}}::hbec6d1ff7b00d029
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55d12cc78173 - std::panicking::try::do_call::h83e51489f66cd002
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55d12cc8051a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x55d12cc78c2d - std::panicking::try::hb1deae6a8854c8be
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55d12cc78c2d - std::panic::catch_unwind::hff09c33b8b66b7a2
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55d12cc78c2d - std::rt::lang_start_internal::h01b3f7988e3fe75d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55d12cc19129 - std::rt::lang_start::h71696b242d45d297
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55d12cc190ca - main
[INFO] [stderr]   22:     0x7f4bdf2432e1 - __libc_start_main
[INFO] [stderr]   23:     0x55d12cc18e9a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: native frameworks are only available on macOS targets
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `core-foundation-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0bdd9bd87ec49099013167e17a9861f1da39f280024cde71c3eeb12a9c587e04"`
[INFO] running `"docker" "rm" "-f" "0bdd9bd87ec49099013167e17a9861f1da39f280024cde71c3eeb12a9c587e04"`
[INFO] [stdout] 0bdd9bd87ec49099013167e17a9861f1da39f280024cde71c3eeb12a9c587e04