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

[Cron Daemon]

stable22sid/master.20180119.log: 79.3 KiB / 1034.6 KiB = 0.077
buster/master.20180119.log: 107.9 KiB / 1083.8 KiB = 0.100
'stretch/master.log' -> 'stretch/master.20180120.log'