these 2 derivations will be built:
  /nix/store/fc27w3rayg64iimykphqvp8s4vxdkyjq-qs-harness-py.drv
  /nix/store/817437jdhvanf72qck3nl4jqry5q9l8m-spaces-integrations-app-ndjson-socket-test.drv