these 5 derivations will be built:
  /nix/store/cnx8rcnbhqhwh11kqpz6b5yhn0pkfb97-vendor-registry.drv
  /nix/store/p2l9ag1wmmankrnzij3pn91xm5c2fv9d-vendor-cargo-deps.drv
  /nix/store/rcnzx7k97lnsknlzlm1fzv9a5il40va1-source.drv
  /nix/store/y5mcpcfxkzj84iad79508hhvh1ib3j2j-tincd-deps-0.1.0.drv
  /nix/store/fbnnal7sg9nvsg96swffy82xdqrcb8if-tincd-0.1.0.drv