these 3 derivations will be built:
  /nix/store/y79nmwciv2rdgpaizmfscavdq1kq9ql2-treefmt.toml.drv
  /nix/store/mr8wzbin8l6w6gsqq4sc5cn2q3v72jd7-treefmt.drv
  /nix/store/09yhdrl1axw9ln9xc445v9r39ncdrfvy-treefmt-check.drv