these 2 derivations will be built:
  /nix/store/2pa2yzy41m2yzfyp60fzpd82fw4vl3pn-treefmt.drv
  /nix/store/6n5iggh3wbr3q01pin9wh7yw40xp81n2-treefmt-check.drv
this path will be fetched (0.0 KiB download, 9.0 MiB unpacked):
  /nix/store/6dinrg31jsnzrlmp9k1pzra5x2087qgz-treefmt-2.6.0