gistfile1.rs

   Compiling hello_world v0.0.1 (file:///Users/danieltrinh/src/oss/rust_stuff/hello_world)
error: linking with `cc` failed: exit code: 1
note: cc '-m64' '-L' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib' '-o' '/Users/danieltrinh/src/oss/rust_stuff/hello_world/target/hello_world' '/Users/danieltrinh/src/oss/rust_stuff/hello_world/target/hello_world.o' '-Wl,-force_load,/usr/local/lib/rustlib/x86_64-apple-darwin/lib/libmorestack.a' '-nodefaultlibs' '-fno-lto' '-Wl,-dead_strip' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/libnative-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/libstd-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/librand-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/libsync-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/librustrt-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/libcollections-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/liballoc-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/libunicode-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/libcore-4e7c5e5c.rlib' '/usr/local/lib/rustlib/x86_64-apple-darwin/lib/liblibc-4e7c5e5c.rlib' '-L' '/Users/danieltrinh/src/oss/rust_stuff/hello_world/target' '-L' '/Users/danieltrinh/src/oss/rust_stuff/hello_world/target/deps' '-L' '/Users/danieltrinh/src/oss/rust_stuff/hello_world/.rust' '-L' '/Users/danieltrinh/src/oss/rust_stuff/hello_world' '-lSystem' '-lpthread' '-lc' '-lm' '-lcompiler-rt'
note: ld: warning: directory not found for option '-L/Users/danieltrinh/src/oss/rust_stuff/hello_world/.rust'
Assertion failed: (_mode == modeFinalAddress), function finalAddress, file /SourceCache/ld64/ld64-123.2.1/src/ld/ld.hpp, line 573.
0  0x1078f071c  __assert_rtn + 76
1  0x10796901c  ld::tool::OutputFile::addressOf(ld::Internal const&, ld::Fixup const*, ld::Atom const**) + 172
2  0x10796ba25  ld::tool::OutputFile::applyFixUps(ld::Internal&, unsigned long long, ld::Atom const*, unsigned char*) + 3909
3  0x107967f70  ld::tool::OutputFile::writeOutputFile(ld::Internal&) + 816
4  0x107960ab9  ld::tool::OutputFile::write(ld::Internal&) + 153
5  0x1078f0caa  main + 1178
6  0x1078df2b4  start + 52
collect2: ld returned 1 exit status

Managed to fix this by pointing gcc, cc, and clang to the latest clang version

% clang -v
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin13.4.0
Thread model: posix