these 3 derivations will be built:
  /nix/store/y4yy9mamcrx44vbr86i21644fwaf7dg7-treefmt.toml.drv
  /nix/store/1z3d8z8pybf43pg1hxks9xrcd5cp2xad-treefmt.drv
  /nix/store/jf9l68as8k6ahbp4kkissnynlqs0gz8s-treefmt-check.drv