2017-11-08 16:50:31,176 DEBUG writing prerequists sources.list at: '/etc/apt/sources.list.d/prerequists-sources.list'
2017-11-08 16:50:31,253 DEBUG adding '# sources.list fragment for pre-requists (mirror from sources.list + fallback)
' prerequists
2017-11-08 16:50:31,254 DEBUG adding '# this is safe to remove after the upgrade
' prerequists
2017-11-08 16:50:31,254 DEBUG adding '
' prerequists
2017-11-08 16:50:31,254 DEBUG adding '# when this changes from -proposed to -updates, ensure to update
' prerequists
2017-11-08 16:50:31,255 DEBUG adding '# DistUpgradeController.py:1393 as well
' prerequists
2017-11-08 16:50:31,255 DEBUG adding 'deb http://archive.ubuntu.com/ubuntu/ lucid-updates main
' prerequists
2017-11-08 16:50:31,255 DEBUG running doUpdate() (showErrors=False)
2017-11-08 16:50:34,380 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/lucid-updates/main/binary-i386/Packages.gz  404  Not Found [IP: 91.189.88.161 80]
, E:Some index files failed to download, they have been ignored, or old ones used instead.'. Retrying (currentRetry: 0)
2017-11-08 16:50:37,413 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/lucid-updates/main/binary-i386/Packages.gz  404  Not Found [IP: 91.189.88.162 80]
, E:Some index files failed to download, they have been ignored, or old ones used instead.'. Retrying (currentRetry: 1)
2017-11-08 16:50:40,463 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/lucid-updates/main/binary-i386/Packages.gz  404  Not Found [IP: 91.189.91.26 80]
, E:Some index files failed to download, they have been ignored, or old ones used instead.'. Retrying (currentRetry: 2)