these 3 derivations will be built:
  /nix/store/6sa2qwlcris7gh4fq55yhhfxnfxwbh11-treefmt.toml.drv
  /nix/store/bdvqxam3d8q26i1zqgg04jf2bikmd05q-treefmt.drv
  /nix/store/li41kik2dl10qcpgsvgazr0q3g9h3in7-treefmt-check.drv