these 5 derivations will be built:
  /nix/store/dan879jkjsq72qwj9ahwi51dm5s60b2x-source.drv
  /nix/store/l8j9cp60dqq1lh5cxaglhjw47zmdvg3k-vendor-registry.drv
  /nix/store/sw3c77bfhjzmfbg9nz438434h2qwd797-vendor-cargo-deps.drv
  /nix/store/0yxfnv644qr88w0bmx001qmqcnkvdypf-tincd-deps-0.1.0.drv
  /nix/store/qpin7acr8wg6pzj03q6ff0irbbhdz4yb-tincd-test-0.1.0.drv