these 3 derivations will be built:
  /nix/store/9z3pvln3jw6knm74j31d3xy97wkpxwwf-treefmt.toml.drv
  /nix/store/pjk44s09bla64wrgjbl4nn3k4102q16v-treefmt.drv
  /nix/store/3dxqa21p6hw2chqf9i9ig2f0sr66xna2-treefmt-check.drv
these 2 paths will be fetched (6.1 MiB download, 18.5 MiB unpacked):
  /nix/store/826d1qfjiz4sf9rvwcws4rv306bksv3m-deadnix-1.3.2
  /nix/store/aimhpkpll8rl0zvrkyzpjgwnnsjhmsgw-rumdl-0.2.45