these 2 derivations will be built:
  /nix/store/1f2zs8a3yg842sv3pyw53mvmiv84xrn0-postgres-15-check-harness.drv
  /nix/store/83ljcw78x8wzivbay4j94xbyqshch0k0-run-check-harness-psql-15-slim.drv