this derivation will be built:
  /nix/store/wx42y24mha97nzg1y26f27fsz6w8d268-run-check-harness-psql-17.drv
error: Cannot build '/nix/store/wx42y24mha97nzg1y26f27fsz6w8d268-run-check-harness-psql-17.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/9xrzbv4v0iv51aza4py3j90w289wa2vg-run-check-harness-psql-17
       Last 25 log lines:
       > test roles                        ... ok           12 ms
       > test security                     ... ok           11 ms
       > test storage                      ... ok           15 ms
       > test supautils_reserved_roles     ... ok            7 ms
       > test supautils_restrict_versions  ... ok           81 ms
       > test vault                        ... ok           28 ms
       > test wal2json                     ... ok           14 ms
       > test z_17_ext_interface           ... FAILED      112 ms
       > test z_17_intarray_ltree_query    ... ok           15 ms
       > test z_17_pg_stat_monitor         ... ok            9 ms
       > test z_17_pgvector                ... ok           14 ms
       > test z_17_roles                   ... ok           16 ms
       > test z_17_rum                     ... ok           14 ms
       >
       > =======================
       >  2 of 68 tests failed.
       > =======================
       >
       > The differences that caused some tests to fail can be viewed in the
       > file "/nix/store/9xrzbv4v0iv51aza4py3j90w289wa2vg-run-check-harness-psql-17/regression_output/regression.diffs".  A copy of the test summary that you see
       > above is saved in the file "/nix/store/9xrzbv4v0iv51aza4py3j90w289wa2vg-run-check-harness-psql-17/regression_output/regression.out".
       >
       > 2026-10-07 12:46:32 [ERROR] pg_regress tests failed
       > 2026-10-07 12:46:32 [ERROR] An error occurred. Exit code: 1
       > 2026-10-07 12:46:32 [ERROR] Debug logs:
       For full logs, run:
         nix log /nix/store/wx42y24mha97nzg1y26f27fsz6w8d268-run-check-harness-psql-17.drv