Some problems occurred recently... 2015-04-19T08:07:21Z: [Qt5_5.4_Integration error] new build for Qt5_5.4_Integration failed: 503 Service Temporarily Unavailable, occurred repeatedly. 2015-04-19T08:07:21Z: [Qt5_5.4_Integration error] Suspending for investigation; to resume: kill -USR2 25271