these 3 derivations will be built:
  /nix/store/9gskrlp55y93xi42npdnrivnsgmrswxy-treefmt.toml.drv
  /nix/store/5i01zjp639y2505qdnfc3ch0dl33rpbk-treefmt.drv
  /nix/store/5w36q84mk50gaswzqdydcxabk1q7a76f-treefmt-check.drv