[chef] knife user create on chef 12

[Michael Lindsay < >]

Hi,

Never tried to create a user using knife when I was on 11.  Now on 12, seems like it's what's being encouraged.  

When I try: knife user create cumberbatch -u cumberbatch -p fuzbucket -f .ssh/cumberbatch-chef.pem -a

I get: Response: Field 'username' missing

I've even tried adding "username" to the json that is presented when issuing the command.  Doing something wrong?

TIA,

 - Michael