this derivation will be built:
  /nix/store/l7ffmm0iidli6yc8ifrfxs0p92xkxxgg-treefmt-check.drv
building '/nix/store/l7ffmm0iidli6yc8ifrfxs0p92xkxxgg-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 73 files
treefmt-check> emitted 50 files for processing
treefmt-check> formatted 50 files (0 changed) in 768ms