this derivation will be built:
  /nix/store/ipr4sczyl8sn8nh2x24pgr5yb148scgf-treefmt-check.drv
bld4: building ipr4sczyl8sn8nh2x24pgr5yb148scgf-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 10.853s