The problem is in the chroot test:
geninfo: ERROR: /home/travis/build/xemul/criu/test/zdtm/static/chroot.dir.test/home/travis/build/xemul/criu/images/timer.gcno: could not open file

We can just ignore these errors.

travis-ci: success for travis: fix collecting code coverage
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>