these 5 derivations will be built:
  /nix/store/5wfh2m4igy0wbrsc33ssn271vqll6jkq-vendor-registry.drv
  /nix/store/7i9hk1j3gx7r2azsmjnxfv3vg76swqy9-vendor-cargo-deps.drv
  /nix/store/awxg3ri6hgri0hqlzmgz77nvjl4ccsbl-source.drv
  /nix/store/29cicc1x3d29mmp24zyfsya1lf635ava-tribuchet-deps-0.1.0.drv
  /nix/store/vk4xmf9l2hwq0z3m9wmwgy608ycqvscf-tribuchet-0.1.0.drv