Thread 0x00007000062f8000 (most recent call first):
File "/Users/stuhood/src/pants/src/python/pants/pantsd/service/store_gc_service.py", line 45 in _garbage_collect
File "/usr/local/Cellar/python/2.7.12/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 754 in run
File "/usr/local/Cellar/python/2.7.12/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 801 in __bootstrap_inner
File "/usr/local/Cellar/python/2.7.12/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 774 in __bootstrap

Thread 0x0000700005ef5000 (most recent call first):
File "/Users/stuhood/src/pants/src/python/pants/pantsd/service/store_gc_service.py", line 41 in _extend_lease
File "/usr/local/Cellar/python/2.7.12/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 754 in run
File "/usr/local/Cellar/python/2.7.12/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 801 in __bootstrap_inner
File "/usr/local/Cellar/python/2.7.12/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 774 in __bootstrap