https://proxy.golang.org/github.com/noxiouz/docker/@v/v0.7.3-0.20160629055221-3d231c78e8c5.zip: https://proxy.golang.org/github.com/noxiouz/docker/@v/v0.7.3-0.20160629055221-3d231c78e8c5.zip: 429 Too Many Requests