these 3 derivations will be built:
  /nix/store/8n1jw9nhn1485yayxb7jlsqablak5hsz-tokscale-4.20.1-vendor.drv
  /nix/store/cwh2famx18hr05xwmhrbmygy43qjcshm-tokscale-4.20.1.drv
  /nix/store/vc92iid2i3kk758d1k533apd8gv7ry91-check-tokscale.drv