in cleanup.go [214:222]
func removeImage(client DockerClient, image docker.APIImages) error {
err := client.RemoveImage(image.ID)
if err == nil {
logrus.Infoln("Removed image", image.ID, image.RepoTags)
} else {
logrus.Warningln("Failed to remove image", image.ID, image.RepoTags, strings.TrimSpace(err.Error()))
}
return err
}