these 3 derivations will be built:
  /nix/store/rbs1gl8fipwsgnjx3njvpnzgh56rfa8b-jcode-0.99.0-vendor.drv
  /nix/store/8z8qm8i696kz1gns9rihxzj6xbc8gnhw-jcode-0.99.0.drv
  /nix/store/y4kpk99z908p9m96ix17h8z91f826cas-check-jcode.drv