these 5 derivations will be built:
  /nix/store/wib813pn5vhvl28jpp1s3f3ss0sb0z62-vendor-registry.drv
  /nix/store/cv7c1mr261rbj6c6h3vl2mdp0yk90hk5-vendor-cargo-deps.drv
  /nix/store/j3scksgs5xkg5z0kzb6r20yx6ndvqvvr-source.drv
  /nix/store/chasj1xq6w5dw3qqv6qpxc9dnbajzqxj-harmonia-deps-3.1.0.drv
  /nix/store/f1krcvhrlwx78i55q6jzymm80j62pi1h-harmonia-clippy-3.1.0.drv