Let's workaround #2140 a bit.
@ -70,7 +70,8 @@ then
DOCKER_CID=`cat docker.cid`
docker kill $DOCKER_CID
docker cp $DOCKER_CID:/var/local/git/grpc/report.xml $git_root
docker rm $DOCKER_CID
sleep 4
docker rm $DOCKER_CID || true
elif [ "$platform" == "windows" ]
then