lucky(~/src/github.com/juju/juju) % juju set-env agent-stream=devel
2015/11/25 13:11:46 warning: discarding cookies in invalid format (error: json: cannot unmarshal object into Go value of type []cookiejar.entry)
2015/11/25 13:11:47 warning: discarding cookies in invalid format (error: json: cannot unmarshal object into Go value of type []cookiejar.entry)
Just seems to get worse with master
lucky(~ /src/github. com/juju/ juju) % juju set-env agent-stream=devel
2015/11/25 13:11:46 warning: discarding cookies in invalid format (error: json: cannot unmarshal object into Go value of type []cookiejar.entry)
2015/11/25 13:11:47 warning: discarding cookies in invalid format (error: json: cannot unmarshal object into Go value of type []cookiejar.entry)