these 3 derivations will be built:
  /nix/store/sim6yvk9wwfbdqvlsy0j2fx27k26qcjr-treefmt.toml.drv
  /nix/store/40ma6jn5px06kwsl71lqmmhbh9xkn5bm-treefmt-with-config-2.6.0.drv
  /nix/store/mi6f04sq3nh4wydxc4cqf52kjnbn23vx-treefmt-with-config-check.drv