https://proxy.golang.org/github.com/rohankumardubey/syslog-redirector-golang/@v/v0.0.0-20140320174030-4859f03d829a.zip: https://proxy.golang.org/github.com/rohankumardubey/syslog-redirector-golang/@v/v0.0.0-20140320174030-4859f03d829a.zip: 503 Service Unavailable