Qt5 integration did not contain all src artifacts

Replicated integration did not contain all source artifacts. This anomaly has not happened for long time until now. This was the latest integration, no newer integration was available so GC should not have cleared src artifacts?

http://10.212.3.36/coin/integration/qt/tqtc-qt5/tasks/1569261226

> python thrift_tool.py copy-task --sources /home/vmbuilder/ci-working-dir/storage/qt/tqtc-qt5/tasks/1569261226.thrift_bin /home/vmbuilder/rellutiimi_temp/

Then release export was executed for this integration (dedicated machine):

1. 
   06:15:18 INFO:release_src_pkg.py:627(43824): Ensuring source archives exist in storage..
2. 
   06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtrepotools/3b937032f51c75b3f517e02b1db670884a8dc103/sources_win.tar.gz
3. 
   06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtrepotools/3b937032f51c75b3f517e02b1db670884a8dc103/sources_unix.tar.gz
4. 
   06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtsystems/434af789f0d56ca7a521ca2d9ec8cf3b1057fd37/sources_win.tar.gz
5. 
   06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtsystems/434af789f0d56ca7a521ca2d9ec8cf3b1057fd37/sources_unix.tar.gz
6. 
   06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtfeedback/9ac8d8c272fc93416016e094fc6b97226a400082/sources_win.tar.gz
7. 
   06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtfeedback/9ac8d8c272fc93416016e094fc6b97226a400082/sources_unix.tar.gz
8. 
   06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtdocgallery/e36e6f0abd45c2794c70c31eb10c5263e7e7a29a/sources_win.tar.gz
9. 
   06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtdocgallery/e36e6f0abd45c2794c70c31eb10c5263e7e7a29a/sources_unix.tar.gz
10. 
    06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtpim/02efef5ee63bf2407526f81fd6b68f5a59ac1de3/sources_win.tar.gz
11. 
    06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtpim/02efef5ee63bf2407526f81fd6b68f5a59ac1de3/sources_unix.tar.gz
12. 
    06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtcanvas3d/1319e0965f6008f44f9216a7bb76e106a1710767/sources_win.tar.gz
13. 
    06:15:19 ERROR:release_src_pkg.py:645(43824): Required source archive did not exist in storage: /home/qt/ci-working-dir/storage/qt/qtcanvas3d/1319e0965f6008f44f9216a7bb76e106a1710767/sources_unix.tar.gz
14. 
    06:15:19 CRITICAL:release_service.py:121(43824): Release Export failed for: /home/qt/ci-working-dir/storage/qt/tqtc-qt5/tasks/1569261226.thrift_bin