Is there anything that calls create_keystone_accounts twice? 

Also, there is a heat related error, not sure if it's related.
http://logs.openstack.org/09/68409/9/gate/gate-tempest-dsvm-large-ops/744ff5e/console.html#_2014-02-19_00_54_54_075

Maybe it failed there, and didn't tear down correctly, I'll have to take a deeper look.

2014-02-19 00:54:54.063 | 2014-02-19 00:54:54 ' /etc/heat/heat.conf
2014-02-19 00:54:54.065 | 2014-02-19 00:54:54 + KS_ENDPOINT_V3=http://127.0.0.1:5000/v3
2014-02-19 00:54:54.067 | 2014-02-19 00:54:54 ++ openstack --os-token --os-url=http://127.0.0.1:5000/v3 --os-identity-api-version=3 domain show heat
2014-02-19 00:54:54.069 | 2014-02-19 00:54:54 ++ get_field 2
2014-02-19 00:54:54.071 | 2014-02-19 00:54:54 ++ grep ' id '
2014-02-19 00:54:54.073 | 2014-02-19 00:54:54 ++ read data
2014-02-19 00:54:54.075 | 2014-02-19 00:54:54 usage: openstack [--version] [-v] [--log-file LOG_FILE] [-q] [--debug]
2014-02-19 00:54:54.077 | 2014-02-19 00:54:54                  [--os-auth-url <auth-url>]
2014-02-19 00:54:54.078 | 2014-02-19 00:54:54                  [--os-domain-name <auth-domain-name>]
2014-02-19 00:54:54.080 | 2014-02-19 00:54:54                  [--os-domain-id <auth-domain-id>]
2014-02-19 00:54:54.082 | 2014-02-19 00:54:54                  [--os-project-name <auth-project-name>]
2014-02-19 00:54:54.084 | 2014-02-19 00:54:54                  [--os-project-id <auth-project-id>]
2014-02-19 00:54:54.086 | 2014-02-19 00:54:54                  [--os-username <auth-username>]
2014-02-19 00:54:54.088 | 2014-02-19 00:54:54                  [--os-password <auth-password>]
2014-02-19 00:54:54.089 | 2014-02-19 00:54:54                  [--os-user-domain-name <auth-user-domain-name>]
2014-02-19 00:54:54.092 | 2014-02-19 00:54:54                  [--os-user-domain-id <auth-user-domain-id>]
2014-02-19 00:54:54.093 | 2014-02-19 00:54:54                  [--os-project-domain-name <auth-project-domain-name>]
2014-02-19 00:54:54.096 | 2014-02-19 00:54:54                  [--os-project-domain-id <auth-project-domain-id>]
2014-02-19 00:54:54.097 | 2014-02-19 00:54:54                  [--os-region-name <auth-region-name>]
2014-02-19 00:54:54.099 | 2014-02-19 00:54:54                  [--os-cacert <ca-bundle-file>] [--verify | --insecure]
2014-02-19 00:54:54.100 | 2014-02-19 00:54:54                  [--os-default-domain <auth-domain>] [--os-token <token>]
2014-02-19 00:54:54.102 | 2014-02-19 00:54:54                  [--os-url <url>] [--os-use-keyring]
2014-02-19 00:54:54.103 | 2014-02-19 00:54:54                  [--os-identity-api-version <identity-api-version>]
2014-02-19 00:54:54.105 | 2014-02-19 00:54:54                  [--os-volume-api-version <volume-api-version>]
2014-02-19 00:54:54.107 | 2014-02-19 00:54:54                  [--os-image-api-version <image-api-version>]
2014-02-19 00:54:54.110 | 2014-02-19 00:54:54                  [--os-compute-api-version <compute-api-version>]
2014-02-19 00:54:54.111 | 2014-02-19 00:54:54                  [--os-object-api-version <object-api-version>] [-h]
2014-02-19 00:54:54.113 | 2014-02-19 00:54:54 openstack: error: argument --os-token: expected one argument
2014-02-19 00:54:54.115 | 2014-02-19 00:54:54 + D_ID=
2014-02-19 00:54:54.117 | 2014-02-19 00:54:54 + iniset /etc/heat/heat.conf stack_user_domain