Dan, travis build still fail when renaming coverage file even after your last patch. ...........................SS.SS.................................................................................................................................................................SS..................................................S.S................................S................................SS.....SS............................................S...............SSS...S.....S.............................................S................................................................SSS............SSSS..SSSSSSSSS.SS.................................................................................................................................................................. ---------------------------------------------------------------------- Ran 1267 tests in 99.239s OK (SKIP=63) [ -n "$NOSE_WITH_COVERAGE" ] && mv .coverage .coverage-nose-py2 make[1]: *** [check] Error 1 make[1]: Leaving directory `/vdsm/tests' ERROR: InvocationError: '/usr/bin/make -C tests check' https://travis-ci.org/oVirt/vdsm/jobs/399932012 Do you have any idea what is wrong there? Why we don't have any error message from the failed command? Nir