I am unable to connect to a owncloud carddav account using runshell like I am able to do with a calendar server installation. Has anyone had any success?

I tried:

./runshell.py --server https://unhammer.org/owncloud/index.php/carddav/principals/skarra/ --user skarra --pswd

Initially there is no message or error. All commands fail with a 405

Any clues?