this derivation will be built:
  /nix/store/y1l5idbfd183s81py4ynncspzhxcr7d7-treefmt-check.drv
building '/nix/store/y1l5idbfd183s81py4ynncspzhxcr7d7-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 65 files
treefmt-check> emitted 42 files for processing
treefmt-check> formatted 42 files (0 changed) in 113ms