BUILD SUCCESSFUL
Total time: 47 seconds
# start a nested X server for gui tests
xhost +
No protocol specified
xhost:  unable to open display ":0.0"
make: *** [build-stamp] Error 1
dpkg-buildpackage: error: debian/rules build gave error exit status 2
E: Failed autobuilding of package
I: unmounting /var/cache/pbuilder/ccache filesystem
I: unmounting dev/pts filesystem
I: unmounting proc filesystem
I: cleaning the build env
I: removing directory /var/cache/pbuilder/build//27084 and its subdirectories