these 3 derivations will be built:
  /nix/store/c1m46b0ijm7ws39rand91fw1vwh003s7-start-postgres-server-test.drv
  /nix/store/iiqrw0svbm4l343h6lji8xb6saj1fkld-postgres-17-check-harness.drv
  /nix/store/1nydsidl6igy556d7p8icd6ypn3pn4af-run-check-harness-psql-17-cli.drv