these 3 derivations will be built:
  /nix/store/wb4qkqccpksxxqd8lfqax5xpw9rcibpk-start-postgres-server-test.drv
  /nix/store/by9q2y4s6mygjqy6rbh66icwyac4s2a1-postgres-15-check-harness.drv
  /nix/store/f5yamvnh8mg0ibp965rgpgln8rwcva85-run-check-harness-psql-15-slim.drv
error: build of '/nix/store/f5yamvnh8mg0ibp965rgpgln8rwcva85-run-check-harness-psql-15-slim.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247' failed: Cannot build '/nix/store/f5yamvnh8mg0ibp965rgpgln8rwcva85-run-check-harness-psql-15-slim.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xnjhp1gsr8liwfh3dyz3j0cms8lbn5ai-run-check-harness-psql-15-slim
       Last 25 log lines:
       > test supautils_restrict_versions  ... ok          193 ms
       > test vault                        ... ok           58 ms
       > test wal2json                     ... ok           50 ms
       > test z_15_ext_interface           ... FAILED     1323 ms
       > test z_15_intarray_ltree_query    ... ok           16 ms
       > test z_15_pg_stat_monitor         ... ok           16 ms
       > test z_15_pgjwt                   ... ok           31 ms
       > test z_15_pgvector                ... ok           93 ms
       > test z_15_plv8                    ... ok           86 ms
       > test z_15_roles                   ... ok           23 ms
       > test z_15_rum                     ... ok           49 ms
       > test z_15_timescale               ... ok           53 ms
       > test z_15_unhype_timescale_to_partman ... ok        19821 ms
       >
       > =======================
       >  4 of 73 tests failed.
       > =======================
       >
       > The differences that caused some tests to fail can be viewed in the
       > file "/nix/store/xnjhp1gsr8liwfh3dyz3j0cms8lbn5ai-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/xnjhp1gsr8liwfh3dyz3j0cms8lbn5ai-run-check-harness-psql-15-slim/regression_output/regression.out".
       >
       > 2026-10-26 12:42:22 [ERROR] pg_regress tests failed
       > 2026-10-26 12:42:23 [ERROR] An error occurred. Exit code: 1
       > 2026-10-26 12:42:23 [ERROR] Debug logs:
       For full logs, run:
         nix log /nix/store/f5yamvnh8mg0ibp965rgpgln8rwcva85-run-check-harness-psql-15-slim.drv
error: Cannot build '/nix/store/f5yamvnh8mg0ibp965rgpgln8rwcva85-run-check-harness-psql-15-slim.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xnjhp1gsr8liwfh3dyz3j0cms8lbn5ai-run-check-harness-psql-15-slim