I am experiencing the situation where it all works on Linux, but not on Mac. There’s no error message.
Here is a link to a broken job showing the situation:
https://travis-ci.org/dagostinelli/hypatia/jobs/651291798
Here is a link to the .travis.yml file
There’s no error in the log. There is a warning about doxygen. So, I did another one with the docs turned off and it still happened:
https://travis-ci.org/dagostinelli/hypatia/jobs/651294072
Here it is working in Linux with docs and all turned on:
https://travis-ci.org/dagostinelli/hypatia/builds/651296304