these 3 derivations will be built:
  /nix/store/zd5s6nclx3b2l5fx6x78lr61wvg6mac1-treefmt.toml.drv
  /nix/store/gls2447ahy78l0w67m67vsjbna985dc3-treefmt.drv
  /nix/store/mr1qy92fhhm8262nyv29dh7y89dcb3pc-treefmt-check.drv