these 3 derivations will be built:
  /nix/store/zii2jbr5ncv051pbv553c05qrjq5dsac-start-postgres-server-test.drv
  /nix/store/v4vrh9d8b8rqgg8avyy9irmc188gdzav-postgres-15-check-harness.drv
  /nix/store/pdl2yvr22f68l8i3ysc4jy30882si63l-run-check-harness-psql-15-slim.drv