greenhouse/diskutil/diskutil.go
func GetATime(path string, defaultTime time.Time) time.Time {
	at, err := atime.Stat(path)
	if err != nil {
		log.WithError(err).Errorf("Could not get atime for %s", path)
		return defaultTime
	}
	return at
}
func GetATime(path string, defaultTime time.Time) time.Time {
	at, err := atime.Stat(path)
	if err != nil {
		log.WithError(err).Errorf("Could not get atime for %s", path)
		return defaultTime
	}
	return at
}
// GetATime the atime for a file, logging errors instead of failing
// and returning defaultTime instead