these 5 derivations will be built:
  /nix/store/170iibws4fqyx6x94d8h6brjdvvdyji5-vendor-registry.drv
  /nix/store/2zsc7cjny9kwlyxd5476bxrxa9lrprpi-vendor-cargo-deps.drv
  /nix/store/kh8jzms6ahfzsjda6bj58i1081d2pky9-source.drv
  /nix/store/4xwkq6ikgaqx2502mgzirvrg7k3dvvzz-harmonia-deps-3.2.0.drv
  /nix/store/hjyrd0kp92w6p5gwygi2nzzkwqvh1dya-harmonia-3.2.0.drv