selftests fail on Linux QEMU (gcc-armv7) on Linux Ubuntu_20_04 (gcc-x86_64)

agent:2020/08/21 15:07:44 build.go:302: tst_selftests is a Catch v2.11.3 host application.
agent:2020/08/21 15:07:44 build.go:302: Run with -? for options
agent:2020/08/21 15:07:44 build.go:302: -------------------------------------------------------------------------------
agent:2020/08/21 15:07:44 build.go:302: Loggers support both old and new style arguments
agent:2020/08/21 15:07:44 build.go:302:       Given: The QTestLog::Plain logger
agent:2020/08/21 15:07:44 build.go:302:        When: Passing arguments with old style
agent:2020/08/21 15:07:44 build.go:302: -------------------------------------------------------------------------------
agent:2020/08/21 15:07:44 build.go:302: tst_selftests.cpp:1129
agent:2020/08/21 15:07:44 build.go:302: ...............................................................................
agent:2020/08/21 15:07:44 build.go:302: tst_selftests.cpp:1002: FAILED:
agent:2020/08/21 15:07:44 build.go:302:   REQUIRE( process.waitForStarted() )
agent:2020/08/21 15:07:44 build.go:302: with expansion:
agent:2020/08/21 15:07:44 build.go:302:   false
agent:2020/08/21 15:07:44 build.go:302: with messages:
agent:2020/08/21 15:07:44 build.go:302:   test := "pass"
agent:2020/08/21 15:07:44 build.go:302:   arguments := QList("-txt", "-o", "/tmp/tst_selftests.wjlMBG/output_pass.txt")
agent:2020/08/21 15:07:44 build.go:302:   command := "pass/pass"
agent:2020/08/21 15:07:44 build.go:302:   DISPLAY=:0
agent:2020/08/21 15:07:44 build.go:302:   HOME=/home/qt
agent:2020/08/21 15:07:44 build.go:302:   LC_ALL=en_US.UTF-8
agent:2020/08/21 15:07:44 build.go:302:   PATH=/home/qt/work/install/bin:/opt/cmake-3.17.2/bin:/usr/local/sccache:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/opt/squish/squish-6.5.2/bin
agent:2020/08/21 15:07:44 build.go:302:   QEMU_LD_PREFIX=/opt/yocto-armv7/sysroots/armv7at2hf-neon-poky-linux-gnueabi
agent:2020/08/21 15:07:44 build.go:302:   QEMU_SET_ENV=FONTCONFIG_FILE=/home/qt/qemu_fonts/fonts.qemu.conf,FONTCONFIG_PATH=/home/qt/qemu_fonts,QT_WAYLAND_DISABLE_WINDOWDECORATION=1
agent:2020/08/21 15:07:44 build.go:302:   QT_LOGGING_RULES=*.debug=true;qt.*=false
agent:2020/08/21 15:07:44 build.go:302:   QT_QPA_PLATFORM=offscreen
agent:2020/08/21 15:07:44 build.go:302:   USER=qt
agent:2020/08/21 15:07:44 build.go:302:   XDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/etc/xdg
agent:2020/08/21 15:07:44 build.go:302:   XDG_CURRENT_DESKTOP=ubuntu:GNOME
agent:2020/08/21 15:07:44 build.go:302:   XDG_DATA_DIRS=/usr/share/ubuntu:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop
agent:2020/08/21 15:07:44 build.go:302:   XDG_MENU_PREFIX=gnome-
agent:2020/08/21 15:07:44 build.go:302:   XDG_RUNTIME_DIR=/run/user/1000
agent:2020/08/21 15:07:44 build.go:302:   XDG_SESSION_CLASS=user
agent:2020/08/21 15:07:44 build.go:302:   XDG_SESSION_DESKTOP=ubuntu
agent:2020/08/21 15:07:44 build.go:302:   XDG_SESSION_TYPE=x11
agent:2020/08/21 15:07:44 build.go:302:   process.errorString() := "Resource error (fork failure): Invalid argument"
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