this derivation will be built:
  /nix/store/7vryb7d78kjybhcak2qkn2gjbg67c7r8-treefmt-check.drv
building '/nix/store/7vryb7d78kjybhcak2qkn2gjbg67c7r8-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 94 files
treefmt-check> emitted 69 files for processing
treefmt-check> formatted 69 files (0 changed) in 41ms