these 2 derivations will be built:
  /nix/store/wlsmap9g5abnakrrgklfq8g3nwy9s8va-jcode-0.86.0-vendor.drv
  /nix/store/if2f4pvd2dw8mx4aj9xqhzj9jz2yd3xx-jcode-0.86.0.drv