these 4 derivations will be built:
  /nix/store/a7s26v90fry3z7rgb1sfgg954lqa1p2w-spore-static-aarch64-unknown-linux-musl-0.1.0.drv
  /nix/store/j058m8g03ffvcgn2akdpg18wk58ipw6i-spore-initrd.drv
  /nix/store/pnvgxiy1y8bibw0xf0wmbdv2m40dcppl-spore-disk.drv
  /nix/store/sgs9xv43k7jkp2mr6kyzlpsbwqca7vxi-spore-boot-hcloud-aarch64-linux-uefi.drv