[Piuparts-reports] Cron <piupartsm at pejacevic> rotate_master_logs

[Cron Daemon]

'stretch2buster/master.log' -> 'stretch2buster/master.20180512.log'
stretch2bpo/master.20180511.log: 44.2 KiB / 1038.1 KiB = 0.043
'stretch/master.log' -> 'stretch/master.20180512.log'
'oldstable222sid/master.log' -> 'oldstable222sid/master.20180512.log'