this derivation will be built:
  /nix/store/2f1wybc4dswyir4jpzif0n9jdw9cxlhs-treefmt-check.drv
bld4: building 2f1wybc4dswyir4jpzif0n9jdw9cxlhs-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 5.265s