these 5 derivations will be built:
  /nix/store/2gxdl7k1d7kx872hz8h7s03flxky8n9l-vendor-registry.drv
  /nix/store/3pc1f0hclfc9by384ch5m9mikrnvfs43-source.drv
  /nix/store/vmddcj707hph7acmw2ygjzjvdnmf3gig-vendor-cargo-deps.drv
  /nix/store/whivs4s7ralc653s6r8aa8dmspmnyb4a-tribuchet-deps-0.1.0.drv
  /nix/store/9myhzwfyi3n4gf202v2zjvgk5gj2s2ip-tribuchet-0.1.0.drv