this derivation will be built:
  /nix/store/b4cfx9yw60x90l7hbxs7a0am3lbzaqqr-treefmt-check.drv
building '/nix/store/b4cfx9yw60x90l7hbxs7a0am3lbzaqqr-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 67 files
treefmt-check> emitted 44 files for processing
treefmt-check> formatted 44 files (0 changed) in 72ms