________ running 'git reset --hard b1ece9c037d879843b0b0f5a2802e1e9d443b75a --quiet' in 'D:\Development\VR\BLUI-master\BLUI-master\builder\cefbuild\chromium\src\buildtools\third_party\libc++\trunk'
[0:02:14] error: unable to create file test/std/thread/thread.mutex/thread.mutex.requirements/thread.sharedtimedmutex.requirements/thread.sharedtimedmutex.class/try_lock_shared_until.pass.cpp: Filename too long
[0:02:14] error: unable to create file test/std/thread/thread.mutex/thread.mutex.requirements/thread.sharedtimedmutex.requirements/thread.sharedtimedmutex.class/try_lock_until_deadlock_bug.pass.cpp: Filename too long
[0:02:14] fatal: Could not reset index file to revision 'b1ece9c037d879843b0b0f5a2802e1e9d443b75a'.
----------------------------------------
Error: Command 'git reset --hard b1ece9c037d879843b0b0f5a2802e1e9d443b75a --quiet' returned non-zero exit status 128 in D:\Development\VR\BLUI-master\BLUI-master\builder\cefbuild\chromium\src\buildtools\third_party\libc++\trunk
Traceback (most recent call last):
  File "cefbuild.py", line 857, in <module>
    run("gclient revert --nohooks", chromium_dir, depot_tools_dir)
  File "cefbuild.py", line 55, in run
    shell=(sys.platform == 'win32'))
  File "C:\Python27\lib\subprocess.py", line 186, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['gclient', 'revert', '--nohooks']' returned non-zero exit status 1