these 2 derivations will be built:
  /nix/store/xq43nfzr0f4rd0bn786i64lrwm3q6zdv-treefmt.drv
  /nix/store/pn0wyska7i8vxp8skws9wsd6ig3vphm9-treefmt-check.drv
this path will be fetched (0.0 KiB download, 0.8 KiB unpacked):
  /nix/store/8ig6hchxdg89wv12cxdzn10jjy937axi-treefmt.toml