these 5 derivations will be built:
  /nix/store/8swvyj5hbfmr2mvbv2mi7k0bqrbc5f84-vendor-registry.drv
  /nix/store/l6kfz0ckff3ikg4lldfbz4qfcjxhqnnq-vendor-cargo-deps.drv
  /nix/store/zb5pv5rv88xlw8dy8ajih7av3m942k64-source.drv
  /nix/store/h075zr6gkg6886f562nvfmgsy9l3r7y1-harmonia-deps-3.2.0.drv
  /nix/store/nki7c3slj53w9q41fgd8qhqvkk37rssr-harmonia-3.2.0.drv