these 5 derivations will be built:
  /nix/store/mpcfr4sl2z77mczbjzcvgm5f93lxy5bi-vendor-registry.drv
  /nix/store/4ahfag3a22wdyhwqpbqlwkmw2h31g9km-vendor-cargo-deps.drv
  /nix/store/k287958asiaxz8ypy1czz7nfwxihnqv8-source.drv
  /nix/store/kv9hcdbndfxdqd6c63x3lx1g1d6q7n4r-harmonia-deps-3.1.0.drv
  /nix/store/klcx1y4469dzc6gizn0k2y6c7v7a4irg-harmonia-clippy-3.1.0.drv