Build of an recently integrated ref might lose workitems

http://coin.intra.qt.io/coin/integration/qt/qt5/tasks/web_qt_qt5_1619517209940 of http://coin.intra.qt.io/coin/integration/qt/qt5/tasks/1619510711 
and http://coin.intra.qt.io/coin/integration/qt/qtbase/tasks/web_qt_qtbase_1619172280680 of http://coin.intra.qt.io/coin/integration/qt/qtbase/tasks/1619164325 

In some cases when same configuration is scheduled again with forcerun tests it seems that the workitems can be lost completely.