dyld: Symbol not found: _mkostemp
  Referenced from: /Users/stuhood/.cache/pants/bin/watchman/mac/10.11/4.9.0/watchman (which was built for Mac OS X 10.12)
  Expected in: /usr/lib/libSystem.B.dylib
 in /Users/stuhood/.cache/pants/bin/watchman/mac/10.11/4.9.0/watchman