hub.repositories() returning empty

[amokkara]

url := "https://registry.hub.docker.com/"
username := "" // anonymous
password := "" // anonymous
hub, err := registry.New(url, username, password)

if err != nil {
	fmt.Println(err)
}

repositories, err := hub.Repositories()
fmt.Println(repositories)
tags, err := hub.Tags("ubuntu")
fmt.Println(tags)

why does this return nil repositories? shouldnt it return public repositories in dockerhub?

[qimingg]

You should use library/ubuntu