For some reason docker rmi IMAGEID happily removed all my images:
vagrant@precise64:~$ docker tag my/debian:assembled_dev my/debian assembled-dev
vagrant@precise64:~$ docker images
REPOSITORY TAG ID CREATED SIZE
my/debian assembled-dev 8d88e4d2c171 28 minutes ago 1.052 GB (virtual 2.171 GB)
my/debian assembled_dev 8d88e4d2c171 28 minutes ago 1.052 GB (virtual 2.171 GB)
my/debian assembled df810f2b0bfb 13 days ago 17.44 MB (virtual 2.501 GB)
my/debian assembled-fix-DATA-perm df810f2b0bfb 13 days ago 17.44 MB (virtual 2.501 GB)
my/debian assembled-broken-DATA 2d0e09fc2547 13 days ago 17.44 MB (virtual 2.501 GB)
my/debian hang e3b357420e41 13 days ago 1.365 GB (virtual 2.484 GB)
my/debian provisioned 2ed8cb69febd 2 weeks ago 990.6 MB (virtual 1.119 GB)
my/debian base 8b74272adddb 2 weeks ago 98.95 MB (virtual 98.95 MB)
vagrant@precise64:~$ docker rmi 8d88e4d2c171
Untagged: 8d88e4d2c171
Deleted: 8d88e4d2c171
Deleted: 2d0e09fc2547
Deleted: df810f2b0bfb
Deleted: e3b357420e41
Deleted: 2ed8cb69febd
Deleted: 860277277908
Deleted: 73b9c0ca1f11
Deleted: 8b74272adddb
vagrant@precise64:~$ docker images
REPOSITORY TAG ID CREATED SIZE
Docker version:
vagrant@precise64:~$ docker version
Client version: 0.6.3
Go version (client): go1.1.2
Git commit (client): b0a49a3
Server version: 0.6.3
Git commit (server): b0a49a3
Go version (server): go1.1.2
Last stable version: 0.6.4, please update docker
Filed an issue in moby/moby#2395