these 3 derivations will be built:
  /nix/store/gsm40cv8znhfqrlm2acxg16n02rngkxn-start-postgres-server-test.drv
  /nix/store/c52lzv9y3sq1vg7gv1bsybg2r8p2krnf-postgres-15-check-harness.drv
  /nix/store/35z368af2qbr0jrzwq4khf99dnjd5dlg-run-check-harness-psql-15.drv
error: build of '/nix/store/35z368af2qbr0jrzwq4khf99dnjd5dlg-run-check-harness-psql-15.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247' failed: Cannot build '/nix/store/35z368af2qbr0jrzwq4khf99dnjd5dlg-run-check-harness-psql-15.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/qk6mv8q235gz32k59mw530kidwhnlz7j-run-check-harness-psql-15
       Last 25 log lines:
       > test supautils_restrict_versions  ... ok          159 ms
       > test vault                        ... ok           59 ms
       > test wal2json                     ... ok           44 ms
       > test z_15_ext_interface           ... FAILED     1382 ms
       > test z_15_intarray_ltree_query    ... ok           15 ms
       > test z_15_pg_stat_monitor         ... ok           15 ms
       > test z_15_pgjwt                   ... ok           29 ms
       > test z_15_pgvector                ... ok           79 ms
       > test z_15_plv8                    ... ok           78 ms
       > test z_15_roles                   ... ok           24 ms
       > test z_15_rum                     ... ok           36 ms
       > test z_15_timescale               ... ok           46 ms
       > test z_15_unhype_timescale_to_partman ... ok        19003 ms
       >
       > =======================
       >  2 of 72 tests failed.
       > =======================
       >
       > The differences that caused some tests to fail can be viewed in the
       > file "/nix/store/qk6mv8q235gz32k59mw530kidwhnlz7j-run-check-harness-psql-15/regression_output/regression.diffs".  A copy of the test summary that you see
       > above is saved in the file "/nix/store/qk6mv8q235gz32k59mw530kidwhnlz7j-run-check-harness-psql-15/regression_output/regression.out".
       >
       > 2026-10-07 21:52:53 [ERROR] pg_regress tests failed
       > 2026-10-07 21:52:53 [ERROR] An error occurred. Exit code: 1
       > 2026-10-07 21:52:53 [ERROR] Debug logs:
       For full logs, run:
         nix log /nix/store/35z368af2qbr0jrzwq4khf99dnjd5dlg-run-check-harness-psql-15.drv
error: Cannot build '/nix/store/35z368af2qbr0jrzwq4khf99dnjd5dlg-run-check-harness-psql-15.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/qk6mv8q235gz32k59mw530kidwhnlz7j-run-check-harness-psql-15