these 3 derivations will be built:
  /nix/store/5cl13nwbcg82p2r3s7l90mc0g1hykw46-toon-format-0.6.1-vendor.drv
  /nix/store/gy9qlhpw1my0zgg1yxhwhx8304s8v929-toon-format-0.6.1.drv
  /nix/store/mnkvqykmca4s78ajqspxgm3mn2y3vp2x-check-toon.drv
this path will be fetched (0.0 KiB download, 51.7 MiB unpacked):
  /nix/store/xwr5h3vyrakb0cpbxhgsdjvs6shn96hv-toon-format-0.6.1-vendor-staging