these 3 derivations will be built:
  /nix/store/00z3a23njd4rwlrijzzxw8z8z5a44wip-treefmt.toml.drv
  /nix/store/0qn2xa7jshnlhgp0x65g5vvdr4rsl95b-treefmt.drv
  /nix/store/806farsby41iw58qz0cx20hx0i3r3wyg-treefmt-check.drv