these 3 derivations will be built:
  /nix/store/j5mmqyp14wz49708cz8jm4v1hbq1g9jg-tinyjson-2.5.1.drv
  /nix/store/5d3ms8gwl6jaqpwxk335hyl2nfljh7ps-cargo-vendor-dir.drv
  /nix/store/b3dah8245pxnx3vj5fbbv72b7rmhz8n4-herdr-autoname-0.1.0.drv