this derivation will be built:
  /nix/store/xizdscs88d4kdaqk8s0hjbyfmkvarb01-treefmt-check.drv
building '/nix/store/xizdscs88d4kdaqk8s0hjbyfmkvarb01-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 18 files
treefmt-check> emitted 15 files for processing
treefmt-check> formatted 15 files (0 changed) in 739ms