this derivation will be built:
  /nix/store/c8m89hqd9y37wr8s3v6dcf18l0ky89kr-treefmt-check.drv
building '/nix/store/c8m89hqd9y37wr8s3v6dcf18l0ky89kr-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 935 files
treefmt-check> emitted 233 files for processing
treefmt-check> formatted 233 files (0 changed) in 577ms