Please answer these questions before submitting your issue. Thanks! 1. What version of Go are you using (`go version`)? 2. What operating system and processor architecture are you using (`go env`)? 3. What did you do? If possible, provide a recipe for reproducing the error. A complete runnable program is good. A link on play.golang.org is best. 4. What did you expect to see? 5. What did you see instead?