these 2 derivations will be built:
  /nix/store/mx7zgrwj21xcfh8il6mn9fw4g1wkfalf-postgres-15-check-harness.drv
  /nix/store/rvmliamwd8wdla9vxdlvxihy5va00pjs-run-check-harness-psql-15-slim.drv