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	2024-04-24 17:08:38.172464000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/pg_upgrade/002_pg_upgrade/data/results/triggers.out	2024-04-24 17:09:33.393753000 +0000
@@ -3720,7 +3720,9 @@
 -- 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