Seg fault when running executor unit tests

[dposada]

For example:

$ cd $TEST_DIR && $TEST_CMD
Python 3.6.3
running nosetests
running egg_info
writing cook_executor.egg-info/PKG-INFO
writing dependency_links to cook_executor.egg-info/dependency_links.txt
writing entry points to cook_executor.egg-info/entry_points.txt
writing requirements to cook_executor.egg-info/requires.txt
writing top-level names to cook_executor.egg-info/top_level.txt
reading manifest file 'cook_executor.egg-info/SOURCES.txt'
writing manifest file 'cook_executor.egg-info/SOURCES.txt'
...................................travis/run_tests.sh: line 9:  7313 Segmentation fault      (core dumped) python setup.py nosetests --attr '!explicit'
The command "cd $TEST_DIR && $TEST_CMD" exited with 139.

[DaoWen]

I've already seen this error in Travis three times this morning. 😕

[shamsimam]

Got this in one of the builds:

[gw1] [ 81%] FAILED tests/test_executor.py::ExecutorTest::test_manage_task_terminated
Replacing crashed slave gw1
https://travis-ci.org/twosigma/Cook/jobs/333407170#L658

So we kind of know which test is the culprit.