Every D CI fail on Travis. See: Current outage due to SSL certification issue · Discussion #12123 · dlang/dmd · GitHub d.rb needs to be fixed Is D supported in Travis CI? This doesn’t exactly gives confidence in the paid service.

Hey @p0nce , They probably are just in queue. I’m glad this issue self resolved.

Every D CI attempt fails

native-api November 9, 2021, 4:45pm 2

Topic		Replies	Views
Build system setup failure due to OS / Curl SSL Certificate Issues D	1	1543	January 10, 2021
Travis failing to pull from IBM Cloud CLI Tools download site - ssl error Environments bug	5	1242	November 4, 2021
Cannot run Travis with Nix 2.2 or 2.3 Nix	2	1155	October 5, 2021
SSL Connection Issue Suddenly Appearing Travis CI Discussions & Feedback	1	35	April 2, 2025
CA certificates update on Trusty Linux	5	1166	October 8, 2021