diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/create_index.out /tmp/cirrus-ci-build/build/testrun/pg_upgrade/002_pg_upgrade/data/results/create_index.out
--- /tmp/cirrus-ci-build/src/test/regress/expected/create_index.out	2025-10-31 17:36:19.857054000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/pg_upgrade/002_pg_upgrade/data/results/create_index.out	2025-10-31 17:37:40.366728000 +0000
@@ -1216,6 +1216,7 @@
 -- maintenance_work_mem setting and fillfactor:
 SET maintenance_work_mem = '1MB';
 CREATE INDEX hash_tuplesort_idx ON tenk1 USING hash (stringu1 name_ops) WITH (fillfactor = 10);
+WARNING:  spool init
 EXPLAIN (COSTS OFF)
 SELECT count(*) FROM tenk1 WHERE stringu1 = 'TVAAAA';
                       QUERY PLAN