this derivation will be built:
  /nix/store/jkq7b06prh37a7i873ggqcknsridjq4q-treefmt-check.drv
bld4: building jkq7b06prh37a7i873ggqcknsridjq4q-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 6.09s