these 3 derivations will be built:
  /nix/store/rp0aakznzmgss88ihc74s7xlk1b6gm26-jcode-0.91.0-vendor.drv
  /nix/store/3b4nl1j5rkqi3flh1izrpw9wdkhz96m8-jcode-0.91.0.drv
  /nix/store/l23bn41yhqvy35sajr50nay2wkmba2ns-check-jcode.drv