File "/home/vagrant/.cache/pants/setup/bootstrap-Linux-x86_64/1.1.0/lib/python2.7/site-packages/pants/bin/local_pants_runner.py", line 75, in _run
   run_tracker, reporting = ReportingInitializer().setup()
 File "/home/vagrant/.cache/pants/setup/bootstrap-Linux-x86_64/1.1.0/lib/python2.7/site-packages/pants/bin/reporting_initializer.py", line 17, in __init__
   self._run_tracker = run_tracker or RunTracker.global_instance()
 File "/home/vagrant/.cache/pants/setup/bootstrap-Linux-x86_64/1.1.0/lib/python2.7/site-packages/pants/subsystem/subsystem.py", line 132, in global_instance
   return cls._instance_for_scope(cls.options_scope)
 File "/home/vagrant/.cache/pants/setup/bootstrap-Linux-x86_64/1.1.0/lib/python2.7/site-packages/pants/subsystem/subsystem.py", line 156, in _instance_for_scope
   cls._scoped_instances[key] = cls(scope, cls._options.for_scope(scope))
 File "/home/vagrant/.cache/pants/setup/bootstrap-Linux-x86_64/1.1.0/lib/python2.7/site-packages/pants/goal/run_tracker.py", line 101, in __init__
   relative_symlink(self.run_info_dir, link_to_latest)
 File "/home/vagrant/.cache/pants/setup/bootstrap-Linux-x86_64/1.1.0/lib/python2.7/site-packages/pants/util/dirutil.py", line 288, in relative_symlink
   os.symlink(rel_path, link_path)

Exception message: [Errno 71] Protocol error