this derivation will be built:
  /nix/store/920x34mq9h5hwvfxx218jc8m21gqzjrs-treefmt-check.drv
building '/nix/store/920x34mq9h5hwvfxx218jc8m21gqzjrs-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 940 files
treefmt-check> emitted 234 files for processing
treefmt-check> formatted 234 files (0 changed) in 735ms