diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/triggers.out /tmp/cirrus-ci-build/build/testrun/pg_upgrade/002_pg_upgrade/data/results/triggers.out
--- /tmp/cirrus-ci-build/src/test/regress/expected/triggers.out	2024-03-06 13:44:33.052419000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/pg_upgrade/002_pg_upgrade/data/results/triggers.out	2024-03-06 13:45:59.049629000 +0000
@@ -3712,7 +3712,9 @@
 -- test who runs deferred trigger functions
 -- setup
 create role groot;
+WARNING:  roles created by regression test cases should have names starting with "regress_"
 create role outis;
+WARNING:  roles created by regression test cases should have names starting with "regress_"
 create function whoami() returns trigger language plpgsql
 as $$
 begin