this derivation will be built:
  /nix/store/1rsd7r9fjk93i7nz7r0g1ryx0vn9gcww-treefmt-check.drv
building '/nix/store/1rsd7r9fjk93i7nz7r0g1ryx0vn9gcww-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 923 files
treefmt-check> emitted 228 files for processing
treefmt-check> formatted 228 files (0 changed) in 545ms