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

[Cron Daemon]

stretch/master.20180905.log: 80.5 KiB / 1133.0 KiB = 0.071
stretch-rcmd/master.20180905.log: 80.6 KiB / 1129.0 KiB = 0.071
'stretch-pu/master.log' -> 'stretch-pu/master.20180906.log'