Webassembly and windows 10: Cannot create parent directory

agent:2020/02/18 09:11:34 build.go:220: C:/Users/qt/work/install/mkspecs/features/qt_plugin.prf:59: Cannot write file C:\Users\qt\work\qt\qtimageformats\mkspecs\modules-inst\qt_plugin_qwbmp.pri: Cannot create parent directory

agent:2020/02/18 09:11:49 build.go:220: emar cqs ..\..\..\..\plugins\imageformats\\libqtga.a @.obj\\/libqtga.a.rsp
agent:2020/02/18 09:11:49 build.go:220: Mingw32-make[4]: Leaving directory 'C:/Users/qt/work/qt/qtimageformats/src/plugins/imageformats/tga'
agent:2020/02/18 09:11:49 build.go:220: Mingw32-make[3]: Leaving directory 'C:/Users/qt/work/qt/qtimageformats/src/plugins/imageformats'
agent:2020/02/18 09:11:49 build.go:220: Mingw32-make[2]: *** [Makefile:47: sub-imageformats-make_first] Error 2
agent:2020/02/18 09:11:49 build.go:220: Mingw32-make[2]: Leaving directory 'C:/Users/qt/work/qt/qtimageformats/src/plugins'
agent:2020/02/18 09:11:49 build.go:220: Mingw32-make[1]: *** [Makefile:73: sub-plugins-make_first] Error 2
agent:2020/02/18 09:11:49 build.go:220: Mingw32-make[1]: Leaving directory 'C:/Users/qt/work/qt/qtimageformats/src'
agent:2020/02/18 09:11:49 build.go:220: Mingw32-make: *** [Makefile:48: sub-src-make_first] Error 2
agent:2020/02/18 09:11:49 build.go:253: Process finished with error: exit status 2
agent:2020/02/18 09:11:49 build.go:471: Executing scheduled instruction 1 of 1 - Upload all core dumps if there are some

agent:2020/02/18 09:11:49 build.go:384: Skip uploading core files because CORE_FILES_PATH is not set in the environment

agent:2020/02/18 09:11:49 build.go:473:

agent:2020/02/18 09:11:49 agent.go:272: Build failed