these 3 derivations will be built:
  /nix/store/k84zgizwws9bwyfczhv47skjzj017iwy-treefmt.toml.drv
  /nix/store/7qvbqha0qbzgr8wr1fqgixz7wzmg9qb3-treefmt.drv
  /nix/store/cadp3cx8glfjcg728vsiil9ksc0pi3k2-treefmt-check.drv
this path will be fetched (5.8 MiB download, 18.5 MiB unpacked):
  /nix/store/1294vmf2lv5f68y70r4zydis60g4z34x-rustfmt-1.97.0