bob needs to be in the docker group

[rbucker]

... or you're going to get an error

CoreOS stable (607.0.0)
FATA[0000] Post http:///var/run/docker.sock/v1.17/images/create?fromImage=fedora%3Alatest: dial unix /var/run/docker.sock: permission denied 
FATA[0000] Post http:///var/run/docker.sock/v1.17/containers/create?name=bob-fedora-latest: dial unix /var/run/docker.sock: permission denied. Are you trying to connect to a TLS-enabled daemon without TLS? 
time="2015-03-18T20:47:32Z" level="fatal" msg="Get http:///var/run/docker.sock/v1.17/containers/bob-fedora-latest/export: dial unix /var/run/docker.sock: permission denied" 
tar: This does not look like a tar archive
tar: Exiting with failure status due to previous errors
dial unix /var/run/docker.sock: permission denied. Are you trying to connect to a TLS-enabled daemon without TLS?
FATA[0000] Error: failed to remove one or more containers 
touch: cannot touch '/var/lib/toolbox/bob-fedora-latest/etc/os-release': No such file or directory
Directory /var/lib/toolbox/bob-fedora-latest lacks the binary to execute or doesn't look like a binary tree. Refusing.