Otherwise you get something like
Emitted 525 C/C++ compilation units (100%) successfully
525 C/C++ compilation units (100%) are ready for analysis
The cov-build utility completed successfully.
Build successfully submitted.
Received error code 200 from Coverity
travis_time:end:14cf6373:start=1534254309066933889,finish=1534254728190974302,duration=419124040413
The command "if [ -n "$COVERITY" ]; then ../ci/coverity.sh; fi" exited with 1.
travis_time:start:01ed61d4
$ if [ -z "$COVERITY" ]; then ../ci/build.sh && ../ci/test.sh; fi
travis_time:end:01ed61d4:start=1534254728197560961,finish=1534254728202711214,duration=5150253
The command "if [ -z "$COVERITY" ]; then ../ci/build.sh && ../ci/test.sh; fi" exited with 0.
Done. Your build exited with 1.
Instead of trying to run coverity builds during the regular PR process,
run them during a regularly scheduled cron process. These only need to
run nightly, so it makes sense to bring them out of the PR process.