these 3 derivations will be built:
  /nix/store/8bqcj65ixd3b1rvg4vm5lqcr6kdnlnpx-treefmt.toml.drv
  /nix/store/q9c6qkxhapzgz9pjwfsx1jg4p6p0zsn0-treefmt.drv
  /nix/store/wc5sqd2kp9200rapbhr9yrz7fg9jwvlg-treefmt-check.drv