these 3 derivations will be built:
  /nix/store/f379gd1ba412nqryz5m487113sqcyd79-start-postgres-server-test.drv
  /nix/store/a81rmllv0zh846p4a4a3k2hl7qgjjsx7-postgres-15-check-harness.drv
  /nix/store/6z88lkyp77spha8iskd5ckpvgmmflcfb-run-check-harness-psql-15-slim.drv
error: build of '/nix/store/6z88lkyp77spha8iskd5ckpvgmmflcfb-run-check-harness-psql-15-slim.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247' failed: Cannot build '/nix/store/6z88lkyp77spha8iskd5ckpvgmmflcfb-run-check-harness-psql-15-slim.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/qaj1y9igskwfvxr7k0a0dm0iwh81bswn-run-check-harness-psql-15-slim
       Last 25 log lines:
       > test supautils_restrict_versions  ... ok          187 ms
       > test vault                        ... ok           61 ms
       > test wal2json                     ... ok           58 ms
       > test z_15_ext_interface           ... FAILED     1584 ms
       > test z_15_intarray_ltree_query    ... ok           15 ms
       > test z_15_pg_stat_monitor         ... ok           16 ms
       > test z_15_pgjwt                   ... ok           30 ms
       > test z_15_pgvector                ... ok           74 ms
       > test z_15_plv8                    ... ok           81 ms
       > test z_15_roles                   ... ok           24 ms
       > test z_15_rum                     ... ok           35 ms
       > test z_15_timescale               ... ok           54 ms
       > test z_15_unhype_timescale_to_partman ... ok        19168 ms
       >
       > =======================
       >  2 of 72 tests failed.
       > =======================
       >
       > The differences that caused some tests to fail can be viewed in the
       > file "/nix/store/qaj1y9igskwfvxr7k0a0dm0iwh81bswn-run-check-harness-psql-15-slim/regression_output/regression.diffs".  A copy of the test summary that you see
       > above is saved in the file "/nix/store/qaj1y9igskwfvxr7k0a0dm0iwh81bswn-run-check-harness-psql-15-slim/regression_output/regression.out".
       >
       > 2026-10-07 23:48:08 [ERROR] pg_regress tests failed
       > 2026-10-07 23:48:08 [ERROR] An error occurred. Exit code: 1
       > 2026-10-07 23:48:08 [ERROR] Debug logs:
       For full logs, run:
         nix log /nix/store/6z88lkyp77spha8iskd5ckpvgmmflcfb-run-check-harness-psql-15-slim.drv
error: Cannot build '/nix/store/6z88lkyp77spha8iskd5ckpvgmmflcfb-run-check-harness-psql-15-slim.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/qaj1y9igskwfvxr7k0a0dm0iwh81bswn-run-check-harness-psql-15-slim