I ended up here with a subtly different crash:
Error opening directory '/home/username/.cache/url-dispatcher/click-urls': Permission denied
Unsurprising permission denied, given my username isn't 'username'.
I ended up here with a subtly different crash:
Error opening directory '/home/ username/ .cache/ url-dispatcher/ click-urls' : Permission denied
Unsurprising permission denied, given my username isn't 'username'.