The job exceeded the maximum time limit for jobs, and has been terminated.

[AkashiSN]

https://travis-ci.org/github/markus-perl/ffmpeg-build-script/jobs/734698188

Apparently, travis.org has a maximum run time of 50 minutes on MacOS, so it looks like I'll have to move to travis.com.

Or you may want to consider using github actions (I'm currently able to verify that I'm working with Github Actions).
(I will be sending you a PR as well.)

https://github.com/AkashiSN/ffmpeg-build-script/actions/runs/300161602