Bustle stores traffic logs in ~/.cache/bustle until you save them somewhere else. It never deletes them if you don't, despite the warning dialog saying they'll be gone forever.
Either it should put them in a tmp dir which gets automatically cleaned up, or it should clean them up.
-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.
You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/bustle/bustle/issues/7.