these 3 derivations will be built:
  /nix/store/xj109by27185h4b8ycgs2g364sh9r2qm-start-postgres-server-test.drv
  /nix/store/fsywrjws1fkis3ffg6h458sk64lzdq3n-postgres-15-check-harness.drv
  /nix/store/18f2l5sb81yz7zr2my7mjnh05qmdp5jx-run-check-harness-psql-15.drv