these 3 derivations will be built:
  /nix/store/bp6608flk55l1gf2j5lbsrikhwbqgx0y-treefmt.toml.drv
  /nix/store/sk3if6r9wlghi0vx7ahzljl5h1f5p5x2-treefmt.drv
  /nix/store/px5hrf7ps0dq20qnlc275hvkrpdpajj1-treefmt-check.drv
these 2 paths will be fetched (5.1 MiB download, 12.8 MiB unpacked):
  /nix/store/shf69h9xwhbqrbmfrkq5gmymq8c6ywrw-keep-sorted-0.10.0
  /nix/store/gxd8g3pfl781m59yfwvr176kjryzfx1m-treefmt-2.6.0