this derivation will be built:
  /nix/store/7ja87x0ddq7n8yy3jys57h2q6yl0y2fz-treefmt-check.drv
building '/nix/store/7ja87x0ddq7n8yy3jys57h2q6yl0y2fz-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 71 files
treefmt-check> emitted 48 files for processing
treefmt-check> formatted 48 files (0 changed) in 72ms