these 3 derivations will be built:
  /nix/store/pia518kq76jhl972qa85gjyv120v694m-jcode-0.99.1-vendor.drv
  /nix/store/ys6kp4gfmnsfrfbii2s3m83c0frnfx6g-jcode-0.99.1.drv
  /nix/store/pk12w2ayfsx5994486qllk5wyygzdj95-check-jcode.drv