this derivation will be built:
  /nix/store/qmmqx3qpdj3k0a97bg7xn7ingyw370na-treefmt-check.drv
building '/nix/store/qmmqx3qpdj3k0a97bg7xn7ingyw370na-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 935 files
treefmt-check> emitted 236 files for processing
treefmt-check> formatted 236 files (0 changed) in 635ms