I have the same problem with Stacks. Changing permissions manually to openworld RW don't change a thing. Has anyone else faced such issue?

{"timestamp":1445792695.6604235,"message":"run (took 1.328794)","log_level":"debug","source":"Warden::Container::Linux","data":{"handle":"192u2he1nqp","request":{"handle":"192u2he1nqp","script":"cd /home/vcap/ && tar zxf /var/vcap/data/dea_next/droplets/3c3efe6dcad047fafda0495897069a0867277e5a/droplet.tgz"},"response":{"exit_status":2,"stdout":"","stderr":"tar: ./staging_info.yml: Cannot open: Permission denied\ntar: ./logs: Cannot mkdir: Permission denied\ntar: ./logs: Cannot mkdir: Permission denied\ntar: ./logs/staging_task.log: Cannot open: No such file or directory\ntar: ./tmp: Cannot mkdir: Permission denied\ntar: .: Cannot utime: Operation not permitted\ntar: Exiting with failure status due to previous errors\n","info":"#<Warden::Protocol::InfoResponse:0x007fc470870be0>"}},"thread_id":70240825357100,"fiber_id":70240831615120,"process_id":17093,"file":"/var/vcap/data/packages/warden/88b0ad837f313990ce408e50cd904f7025983213.1-358cd8f2e7dedc2e0f4d86f7234b1bc21e82314d/warden/lib/warden/container/base.rb","...