these 3 derivations will be built:
  /nix/store/fg441948png5h7k3aa3vxhw9295r7izk-mio-1.2.4.drv
  /nix/store/0273cqf2n0wspvyyi3flxxb6xl3ri4xa-cargo-vendor-dir.drv
  /nix/store/2wlar1blmw26pq2gvjv4dk8dkignm9ah-nix-wire-0.1.0.drv