these 2 derivations will be built:
  /nix/store/z2vga9kcpgqpzgzlbn8fr06qlm9np4as-qs-harness-py.drv
  /nix/store/7f7zzb2zd182nczpxgh75anw6bd7gljy-spaces-integrations-app-ndjson-socket-test.drv