these 5 derivations will be built:
  /nix/store/rp2r4jvcdhrx6g7gyy87llz8vp0bf4sg-source.drv
  /nix/store/129z26480kxadamfxjzff9mwhs3ywyff-tokscale-4.19.1-vendor-staging.drv
  /nix/store/2zmy0r6mi8515vkrk9aqf4z7w0b2k2dh-tokscale-4.19.1-vendor.drv
  /nix/store/g5sjs2bi8bviwp2rx6fgsc3k9gfvhvr7-tokscale-4.19.1.drv
  /nix/store/9c7z8v81zln8jskzcqh50dzyllq4v36w-check-tokscale.drv