Execute Ansible-playbook Question

Hi Sir/Miss:
I try to use ansible-playbook, the implementation of the TASK [setup] steps, Managed Node system when the dead, so the request for assistance.

System Environment:
Control Manage: CentOS 6.5 + Python 2.6.6 + Ansible-Devel Version
Managed Node: CentOS 4.8 + Python 2.4.3 + simplejson 2.1.0

The results are as follows:

[Root @ test01 playbook] # ansible-playbook test1.yml

PLAY [linux] **********************************************

TASK [setup] *********************************************

Playbook test.yml content as follows: