octoprint log

2019-05-24 04:19:43,440 - octoprint.plugins.softwareupdate - INFO - Starting update of octoprint to 1.3.11...
2019-05-24 04:22:54,069 - octoprint.plugins.softwareupdate - ERROR - Update of octoprint can not be performed, please also check plugin_softwareupdate_console.log for possible causes of this
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/softwareupdate/__init__.py", line 969, in _perform_update
    update_result = updater.perform_update(target, populated_check, target_version, log_cb=self._log, online=online)
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/softwareupdate/updaters/pip.py", line 116, in perform_update
    raise exceptions.UpdateError("Error while executing pip install", (stdout, stderr))
UpdateError
2019-05-24 04:22:55,280 - octoprint.plugins.tracking - INFO - Sent tracking event update_failed, payload: {'to_version': u'1.3.11', 'from_version': u'1.3.10', 'target': 'octoprint'}
2019-05-24 04:31:39,949 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-24 04:32:05,440 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
2019-05-24 04:46:39,953 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2019-05-24 04:47:05,498 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {}
pi@octopi:~/.octoprint/logs $