Tor builds failing on Ubuntu Utopic Unicorn
The Tor builds on the Ubuntu Utopic Unicorn configurations in Jenkins are failing because the Ubuntu repository doesn't contain files for this release anymore. The fact that the files are missing can verified by looking at http://archive.ubuntu.com/ubuntu/dists/
The reason is likely to be that Utopic Unicorn has been EOL since July 23rd 2015.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information