Comment 2 for bug 1298665

Log file is here:

http://paste.ubuntu.com/7165417/

I think the relevant part is:
DEBUG:mugshot: set_user_image() 'Setting user profile image to /tmp/tmp7w013lj0'
DEBUG:mugshot: on_apply_button_clicked() 'Applying changes...'
DEBUG:mugshot: get_chfn_details_updated() 'Checking if chfn details have been modified.'
DEBUG:mugshot: get_chfn_details_updated() 'chfn details have NOT been modified.'
DEBUG:mugshot: get_libreoffice_details_updated() 'LibreOffice is not installed or has not been opened. Not updating.'
DEBUG:mugshot: save_image() 'Photo updated, saving changes.'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/mugshot/MugshotWindow.py", line 315, in on_apply_button_clicked
    self.save_image()
  File "/usr/lib/python3/dist-packages/mugshot/MugshotWindow.py", line 382, in save_image
    self.accounts_service_set_user_image(face)
  File "/usr/lib/python3/dist-packages/mugshot/MugshotWindow.py", line 409, in accounts_service_set_user_image
    None)
gi._glib.GError: GDBus.Error:org.freedesktop.Accounts.Error.Failed: file '/home/daniel/.face' is too large to be used as an icon