this derivation will be built:
  /nix/store/cgv18vk1zdn7vscx0yw3jan1nk2ksbsw-treefmt-check.drv
building '/nix/store/cgv18vk1zdn7vscx0yw3jan1nk2ksbsw-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 72 files
treefmt-check> emitted 49 files for processing
treefmt-check> formatted 49 files (0 changed) in 3.207s