Compiling is failing

[ksaver]

Compiling is failing due to a cobra error (github.com/spf13/cobra):
make
go build .

github.com/spf13/cobra

../../spf13/cobra/bash_completions.go:22:24: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:383:26: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:425:24: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:437:27: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:475:25: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:486:20: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:501:38: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:527:21: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:564:28: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:589:29: undefined: io.StringWriter
../../spf13/cobra/bash_completions.go:589:29: too many errors
make: *** [Makefile:9: all] Error 2

[ksaver]

I'm sorry, it was due to an old version of Go.