these 5 derivations will be built:
  /nix/store/6qa0bbzlm0nz7vs19a1h2zspbrsplbwn-vendor-registry.drv
  /nix/store/myvqhdzbzsvk5p5pasbzdhh0fqgdaf4m-vendor-cargo-deps.drv
  /nix/store/y92q4mxyvga3hhp6lp0xc56lajigq5lw-source.drv
  /nix/store/bw8mmi5sf8pdr89y56893ysqp8qhlckh-harmonia-deps-3.1.0.drv
  /nix/store/mhhajnfqbqdwsszmz4a5jhz9bajbhjww-harmonia-3.1.0.drv