these 3 derivations will be built:
  /nix/store/f5x18lwwfmis22ynmn4j45gxcb187i9k-treefmt.toml.drv
  /nix/store/2szd9gx7fjs939l6spaxfhw8xk8mix4w-treefmt.drv
  /nix/store/qll45hj82l299rj3v4z6hlmhhqbdgnzc-treefmt-check.drv
this path will be fetched (986.8 KiB download, 2.4 MiB unpacked):
  /nix/store/m7qns7c685ipighxx60bry03pz27kll7-nixfmt-rs-0.5.3