The problem here is the lubuntu-desktop PostUpgradeRemove rule we can see in the Mainlog.txt file here:
2013-10-17 19:52:40,823 DEBUG Removing 'gnome-bluetooth' (lubuntu- desktop PostUpgradeRemove rule) ** Summary changed: - upgrade to saucy fails while calculating upgrade + lubuntu-desktop PostUpgradeRemove rule is unnecessary and problematic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1241123 Title: lubuntu-desktop PostUpgradeRemove rule is unnecessary and problematic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1241123/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs