these 3 derivations will be built:
  /nix/store/q83f17ix4qvxlvxflbjzxhjc0wvaxyzy-treefmt.toml.drv
  /nix/store/r1jnwbhgfr2pq4a462nm2xahl89nx7i9-treefmt.drv
  /nix/store/njkb0fn8r13hf8643fjhik1dnz3q33v9-treefmt-check.drv