Description
When presented with a docker task as argument in the Vagrant environment it hangs:
+ sudo thermos kill 1438642104346-vagrant-test-http_example_docker-0-7ce56f48-3a55-413c-885e-8e4218afd582 I0803 22:48:36.449739 15926 helper.py:276] Found existing runner, forcing leadership forfeit. I0803 22:48:36.450725 15926 helper.py:279] Successfully killed leader. (hangs here)