diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/btree_index.out /tmp/cirrus-ci-build/src/bin/pg_upgrade/tmp_check/results/btree_index.out
--- /tmp/cirrus-ci-build/src/test/regress/expected/btree_index.out	2024-10-08 01:23:03.116901494 +0000
+++ /tmp/cirrus-ci-build/src/bin/pg_upgrade/tmp_check/results/btree_index.out	2024-10-08 01:30:28.876878069 +0000
@@ -194,13 +194,10 @@
 --
 explain (costs off)
 select distinct hundred from tenk1 where hundred in (47, 48, 72, 82);
-                            QUERY PLAN                            
-------------------------------------------------------------------
- Unique
-   ->  Index Only Scan using tenk1_hundred on tenk1
-         Index Cond: (hundred = ANY ('{47,48,72,82}'::integer[]))
-(3 rows)
-
+ERROR:  deadlock detected
+DETAIL:  Process 42315 waits for AccessShareLock on relation 24390 of database 16387; blocked by process 42298.
+Process 42298 waits for AccessExclusiveLock on relation 16421 of database 16387; blocked by process 42315.
+HINT:  See server log for query details.
 select distinct hundred from tenk1 where hundred in (47, 48, 72, 82);
  hundred 
 ---------