these 2 derivations will be built:
  /nix/store/xsrq8yk6x3xqh6x5qrp9g2byirlr7j28-tokscale-4.21.0.drv
  /nix/store/59cspki2xfj7bjb8z4gpqgg988djk7p6-check-tokscale.drv