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

[Cron Daemon]

'sid2experimental/master.log' -> 'sid2experimental/master.20180817.log'
'buster/master.log' -> 'buster/master.20180817.log'
'jessie-rcmd/master.log' -> 'jessie-rcmd/master.20180817.log'
jessie2proposed/master.20180816.log: 81.4 KiB / 1097.8 KiB = 0.074, 0:01
squeeze2bpo2wheezy/master.20180816.log: 60.2 KiB / 1081.1 KiB = 0.056, 0:01