these 3 derivations will be built:
  /nix/store/70w7dddj4sa9gaap9sy9pcdfbv7i06aw-treefmt.toml.drv
  /nix/store/dlwr6wcxvg4sw5093qxx5hsan7agzdhy-treefmt.drv
  /nix/store/535rymzss3cxx50j9a6277i0vdfbk2jl-treefmt-check.drv