When an older box version is still in use by a vagrant box the prune command then prompts for user input to continue after warning of box that is older but in use but throws an error since their is no tty attached. This forces it to continue with prune and not prompt. Older boxes that are still associated with active vagrant machines are not removed.
Description
When an older box version is still in use by a vagrant box the prune command then prompts for user input to continue after warning of box that is older but in use but throws an error since their is no tty attached. This forces it to continue with prune and not prompt. Older boxes that are still associated with active vagrant machines are not removed.