Docker build not setting image name and user

The build command should generate an image with a name and the appropriate user

The image has no name or no associated user.

Information

OS X: version 10.11.5 (build: 15F34)
Docker.app: version v1.11.1-beta11
Running diagnostic tests:
[OK] docker-cli
[OK] Moby booted
[OK] driver.amd64-linux
[OK] vmnetd
[OK] osxfs
[OK] db
[OK] slirp
[OK] menubar
[OK] environment
[OK] Docker
[OK] VT-x
Docker logs are being collected into /tmp/20160523-122814.tar.gz
Most specific failure is: No error was detected
Your unique id is: B5FB5851-B45F-493F-B442-4D7C750E86AD
Please quote this in all correspondence.

I was following the directions on this website
http://michal.karzynski.pl/blog/2015/04/19/packaging-django-applications-as-docker-container-images/

after this command:

docker build -t ggilley:hello_django ~/dockyard/hello_django_docker

docker images gives this result:
Gregs-Macbook-Pro:hello_django_docker ggilley$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
29747d874a0e About a minute ago 382.7 MB
ubuntu 14.04 90d5884b1ee0 2 weeks ago 188 MB