get last container id as property and pass to docker stop, no more headless
get last container id as property and pass to docker stop, no more headless

vaporry/ethereum-buildbot,ethereum/ethereum-buildbot,ethereum/ethereum-buildbot,chfast/ethereum-buildbot,ethereum/ethereum-buildbot,chfast/ethereum-buildbot,vaporry/ethereum-buildbot,vaporry/ethereum-buildbot,chfast/ethereum-buildbot