I get this error during a docker build using docker versions 1.9.1 and 1.10 as given in docker-1-9-1-is-available and docker-1-10-support.
Error removing intermediate container d1eae450392f: rmdriverfs: Driver btrfs failed to remove root filesystem
<volume id>
: Failed to destroy btrfs snapshot /var/lib/docker/btrfs/subvolumes for<volume id>
: operation not permitted