these 3 derivations will be built:
  /nix/store/jm1455yr9pmibhmaf5wviqk3kn8fb0wh-tinyjson-2.5.1.drv
  /nix/store/mdc9dg6cnj0h6i5f9yvgn257js9vcb44-cargo-vendor-dir.drv
  /nix/store/1cm90bf86hjyz5kqpclrzw87jqmmzbng-herdr-autoname-0.1.0.drv