===== Building live filesystems ===== Thu Jan 4 02:46:01 UTC 2018 ubuntu-mate-amd64 on Launchpad starting at 2018-01-04 02:46:01 ubuntu-mate-amd64: https://launchpad.net/~ubuntu-cdimage/+livefs/ubuntu/bionic/ubuntu-mate/+build/120064 ubuntu-mate-i386 on Launchpad starting at 2018-01-04 02:46:03 ubuntu-mate-i386: https://launchpad.net/~ubuntu-cdimage/+livefs/ubuntu/bionic/ubuntu-mate/+build/120065 lockfile: Sorry, giving up on "/srv/cdimage.ubuntu.com/etc/.build-image-set-pids.lock"