Travis CI change history: MacOS Builds Failing on .COM and .ORG

MacOS builds failed on Travis CI .COM and .ORG in a critical outage from 2020-03-19 19:41 UTC to 2020-03-19 21:59 UTC, lasting 2 h 17 min. Travis CI attributed the failures to a major upstream-provider outage and resolved the incident after the provider reported a fix and Travis CI observed improvements.