mach check output.txt

$ ./mach check -v
       Fresh unicode-segmentation v1.2.0
       Fresh language-tags v0.2.2
       Fresh khronos_api v2.0.0
       Fresh bitflags v0.9.1
       Fresh lazycell v0.4.0
       Fresh pkg-config v0.3.9
       Fresh fnv v1.0.5
       Fresh sig v0.1.1
       Fresh lzw v0.10.0
       Fresh bitreader v0.3.0
       Fresh bytes v0.3.0
       Fresh byteorder v1.2.1
       Fresh unicode-width v0.1.4
       Fresh half v1.0.0
       Fresh thread_profiler v0.1.3
       Fresh simd v0.2.0
       Fresh rustc-serialize v0.3.24
       Fresh atomic_refcell v0.1.0
       Fresh smallbitvec v1.0.6
       Fresh size_of_test v0.0.1 (file:///home/turnip/Code/servo/components/size_of_test)
       Fresh siphasher v0.2.2
       Fresh semver v0.1.20
       Fresh threadpool v1.3.2
       Fresh vec_map v0.8.0
       Fresh safemem v0.2.0
       Fresh libc v0.2.33
       Fresh signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
       Fresh glob v0.2.11
       Fresh futures v0.1.13
       Fresh ref_slice v1.1.1
       Fresh unicode-xid v0.0.4
       Fresh getopts v0.2.14
       Fresh strsim v0.6.0
       Fresh nodrop v0.1.12
       Fresh utf8-ranges v1.0.0
       Fresh peeking_take_while v0.1.2
       Fresh unicode-normalization v0.1.5
       Fresh typeable v0.1.2
       Fresh stable_deref_trait v1.0.0
       Fresh rustc-demangle v0.1.4
       Fresh precomputed-hash v0.1.1
       Fresh same-file v0.1.3
       Fresh gcc v0.3.47
       Fresh dom_struct v0.0.1 (file:///home/turnip/Code/servo/components/dom_struct)
       Fresh foreign-types-shared v0.1.1
       Fresh semver-parser v0.7.0
       Fresh cfg-if v0.1.2
       Fresh scoped_threadpool v0.1.7
       Fresh xi-unicode v0.1.0
       Fresh void v1.0.2
       Fresh scopeguard v0.3.2
       Fresh quote v0.3.15
       Fresh httparse v1.2.1
       Fresh adler32 v1.0.0
       Fresh procedural-masquerade v0.1.2
       Fresh toml v0.2.1
       Fresh ansi_term v0.10.2
       Fresh antidote v1.0.0
       Fresh ref_filter_map v1.0.1
       Fresh alloc-no-stdlib v1.2.0
       Fresh swapper v0.1.0
       Fresh log v0.3.8
       Fresh xdg v2.1.0
       Fresh num-traits v0.1.37
       Fresh open v1.2.0
       Fresh color_quant v1.0.0
       Fresh bitflags v1.0.0
       Fresh sha1 v0.2.0
   Compiling script_plugins v0.0.1 (file:///home/turnip/Code/servo/components/script_plugins)
       Fresh nom v1.2.4
       Fresh mp3-metadata v0.3.0
     Running `rustc --crate-name script_plugins components/script_plugins/lib.rs --crate-type dylib --emit=dep-info,link -C prefer-dynamic -C codegen-units=4 -C debuginfo=2 --cfg 'feature="unrooted_must_root_lint"' -C metadata=40bfe4481506b4f7 --out-dir /home/turnip/Code/servo/target/debug/deps -L dependency=/home/turnip/Code/servo/target/debug/deps -C link-args=-fuse-ld=gold -W unused-extern-crates`
       Fresh string_cache_shared v0.3.0
       Fresh traitobject v0.1.0
       Fresh ident_case v1.0.0
       Fresh slab v0.3.0
       Fresh dtoa v0.4.1
       Fresh cc v1.0.1
       Fresh lazy_static v1.0.0
       Fresh either v1.1.0
       Fresh matches v0.1.4
       Fresh binary-space-partition v0.1.2
       Fresh smallvec v0.6.0
       Fresh mac v0.1.1
       Fresh percent-encoding v1.0.0
       Fresh lazy_static v0.2.11
       Fresh mitochondria v1.1.2
       Fresh itoa v0.3.1
       Fresh regex-syntax v0.4.1
       Fresh which v1.0.3
       Fresh atty v0.2.3
       Fresh ogg v0.5.0
       Fresh fxhash v0.2.1
       Fresh textwrap v0.9.0
       Fresh blurmock v0.1.2
       Fresh dtoa-short v0.3.0
       Fresh rustc_version v0.1.7
       Fresh base64 v0.6.0
       Fresh hashglobe v0.1.0 (file:///home/turnip/Code/servo/components/hashglobe)
       Fresh num_cpus v1.4.0
       Fresh thread-id v3.1.0
       Fresh memchr v1.0.1
       Fresh rand v0.3.15
       Fresh shared_library v0.1.5
       Fresh time v0.1.37
       Fresh iovec v0.1.0
       Fresh pulse-ffi v0.1.0 (https://github.com/djg/cubeb-pulse-rs?branch=dev#71e1ecfa)
       Fresh synom v0.11.3
       Fresh mime v0.2.4
       Fresh arrayvec v0.4.6
       Fresh encoding_rs v0.7.1
       Fresh net2 v0.2.29
       Fresh servo_arc v0.0.1 (file:///home/turnip/Code/servo/components/servo_arc)
       Fresh owning_ref v0.3.3
       Fresh walkdir v1.0.7
       Fresh foreign-types v0.3.2
       Fresh semver v0.6.0
       Fresh unreachable v0.1.1
       Fresh deflate v0.7.5
       Fresh inflate v0.3.3
       Fresh cubeb-ffi v0.0.2 (https://github.com/djg/cubeb-pulse-rs?branch=dev#71e1ecfa)
       Fresh nsstring v0.1.0 (file:///home/turnip/Code/servo/support/gecko/nsstring)
       Fresh brotli-decompressor v1.0.9
       Fresh num-integer v0.1.34
       Fresh mp4parse v0.9.1
       Fresh enum_primitive v0.1.1
       Fresh gif v0.9.1
       Fresh xml-rs v0.7.0
       Fresh cexpr v0.2.0
       Fresh cmake v0.1.27
       Fresh itertools v0.5.10
       Fresh coco v0.1.1
       Fresh utf-8 v0.7.1
       Fresh tempdir v0.3.5
       Fresh ogg_metadata v0.4.1
       Fresh clap v2.28.0
       Fresh debug_unreachable v0.1.1
       Fresh ordered-float v0.4.0
       Fresh fallible v0.0.1 (file:///home/turnip/Code/servo/components/fallible)
       Fresh aho-corasick v0.6.3
       Fresh servo_rand v0.0.1 (file:///home/turnip/Code/servo/components/rand)
       Fresh parking_lot_core v0.2.7
       Fresh gaol v0.0.1 (https://github.com/servo/gaol#227ff0ba)
       Fresh osmesa-sys v0.1.2
       Fresh cookie v0.10.1
       Fresh pulse v0.2.0 (https://github.com/djg/cubeb-pulse-rs?branch=dev#71e1ecfa)
       Fresh browserhtml v0.1.17 (https://github.com/browserhtml/browserhtml?branch=crate#84913eaf)
       Fresh syn v0.11.11
       Fresh uluru v0.2.0
       Fresh immeta v0.3.6
       Fresh encoding_c v0.8.0
       Fresh mio v0.6.9
   Compiling task_info v0.0.1 (file:///home/turnip/Code/servo/support/rust-task_info)
       Fresh thread_local v0.3.3
     Running `/home/turnip/Code/servo/target/debug/build/task_info-4fc6f7b6441fb6e7/build-script-build`
       Fresh brotli v1.0.8
       Fresh num-rational v0.1.36
       Fresh num-iter v0.1.33
       Fresh gl_generator v0.6.1
       Fresh osmesa-src v17.3.1-devel (https://github.com/servo/osmesa-src#6d23daed)
       Fresh rayon-core v1.2.0
       Fresh libloading v0.4.0
       Fresh xcb v0.7.7
       Fresh x11-dl v2.14.0
       Fresh audio-video-metadata v0.1.6
       Fresh futf v0.1.3
       Fresh parking_lot v0.4.8
       Fresh cubeb-pulse v0.0.2 (https://github.com/djg/cubeb-pulse-rs?branch=dev#71e1ecfa)
   Compiling synstructure v0.5.2
   Compiling darling_core v0.2.0
     Running `rustc --crate-name synstructure .cargo/registry/src/github.com-1ecc6299db9ec823/synstructure-0.5.2/src/lib.rs --crate-type lib --emit=dep-info,metadata -C codegen-units=4 -C debuginfo=2 -C metadata=3eb729723060378e -C extra-filename=-3eb729723060378e --out-dir /home/turnip/Code/servo/target/debug/deps -L dependency=/home/turnip/Code/servo/target/debug/deps --extern quote=/home/turnip/Code/servo/target/debug/deps/libquote-be7c87ab938e668c.rmeta --extern syn=/home/turnip/Code/servo/target/debug/deps/libsyn-ba572bd00928f2fb.rmeta --cap-lints allow -C link-args=-fuse-ld=gold -W unused-extern-crates`
     Running `rustc --crate-name darling_core .cargo/registry/src/github.com-1ecc6299db9ec823/darling_core-0.2.0/src/lib.rs --crate-type lib --emit=dep-info,metadata -C codegen-units=4 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="syn"' -C metadata=40ad522cb1aae4ee -C extra-filename=-40ad522cb1aae4ee --out-dir /home/turnip/Code/servo/target/debug/deps -L dependency=/home/turnip/Code/servo/target/debug/deps --extern ident_case=/home/turnip/Code/servo/target/debug/deps/libident_case-d995b9e3eb0573d7.rmeta --extern lazy_static=/home/turnip/Code/servo/target/debug/deps/liblazy_static-60d03f5adc6b0356.rmeta --extern syn=/home/turnip/Code/servo/target/debug/deps/libsyn-ba572bd00928f2fb.rmeta --extern quote=/home/turnip/Code/servo/target/debug/deps/libquote-be7c87ab938e668c.rmeta --cap-lints allow -C link-args=-fuse-ld=gold -W unused-extern-crates`
error: failed to run custom build command for `task_info v0.0.1 (file:///home/turnip/Code/servo/support/rust-task_info)`
process didn't exit successfully: `/home/turnip/Code/servo/target/debug/build/task_info-4fc6f7b6441fb6e7/build-script-build` (exit code: 101)
--- stdout
TARGET = Some("x86_64-unknown-linux-gnu")
OPT_LEVEL = Some("0")
TARGET = Some("x86_64-unknown-linux-gnu")
HOST = Some("x86_64-unknown-linux-gnu")
TARGET = Some("x86_64-unknown-linux-gnu")
TARGET = Some("x86_64-unknown-linux-gnu")
HOST = Some("x86_64-unknown-linux-gnu")
CC_x86_64-unknown-linux-gnu = None
CC_x86_64_unknown_linux_gnu = None
HOST_CC = None
CC = None
HOST = Some("x86_64-unknown-linux-gnu")
TARGET = Some("x86_64-unknown-linux-gnu")
HOST = Some("x86_64-unknown-linux-gnu")
CFLAGS_x86_64-unknown-linux-gnu = None
CFLAGS_x86_64_unknown_linux_gnu = None
HOST_CFLAGS = None
CFLAGS = None
PROFILE = Some("debug")
running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-o" "/home/turnip/Code/servo/target/debug/build/task_info-5b509507e8510095/out/src/task_info.o" "-c" "src/task_info.c"
cargo:warning=src/task_info.c:10:10: fatal error: mach/mach_init.h: No such file or directory
cargo:warning= #include <mach/mach_init.h>
cargo:warning=          ^~~~~~~~~~~~~~~~~~
cargo:warning=compilation terminated.
exit code: 1


command did not execute successfully, got: exit code: 1



--- stderr
thread 'main' panicked at 'explicit panic', .cargo/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.47/src/lib.rs:1210:4
note: Run with `RUST_BACKTRACE=1` for a backtrace.

warning: build failed, waiting for other jobs to finish...
error: build failed