these 3 derivations will be built:
  /nix/store/0wgk1p1d51nb3q1apbgy58j99xjh5r9z-treefmt.toml.drv
  /nix/store/zlryqrm92rylpbsw9cw7nizdp8xd14q2-treefmt.drv
  /nix/store/5r09zhspxpzlq55nx14nhycpnaw8ck3m-treefmt-check.drv