these 3 derivations will be built:
  /nix/store/9n30xzrbkzj2r861dkbjldhgxbrdc3ml-jcode-0.95.0-vendor.drv
  /nix/store/yhfrpbw69hjff8i095zd5zypg4vhqc80-jcode-0.95.0.drv
  /nix/store/dv9l7rnl9mmvcc0g9hjjnrbfgk55f6qv-check-jcode.drv