these 5 derivations will be built:
  /nix/store/2fdm3v95149cwsax744yip4mnmln40zl-source.drv
  /nix/store/7l6rxdwwwvlihl6d7wsx0nm3b6q4djvs-vendor-registry.drv
  /nix/store/ac95spbw8djliqynlcjq7vc6b0rn46hj-vendor-cargo-deps.drv
  /nix/store/kz2wfyh4bcfa43hp3l135c7kcm2addy1-tincd-deps-0.1.0.drv
  /nix/store/5jg2jwj3a1yr46kgpw4l73fyjbpn24ig-tincd-test-0.1.0.drv