these 4 derivations will be built:
  /nix/store/pyg67qhhw90vs1haqj49r0d5xn55s1a4-Cargo.toml.drv
  /nix/store/7sfxh76592619kraac174i2xcpi9raia-source.drv
  /nix/store/npqhwhj7i41sk27p4mwdq9v6jyqc13kx-tincd-deps-0.1.0.drv
  /nix/store/xib6vmirn0cbsk0q9dlc7izay9zi6i0f-tincd-clippy-0.1.0.drv