this derivation will be built:
  /nix/store/z4mg6i88h2789193c5nbn3s8q9x4hgpk-treefmt-check.drv
bld3: building z4mg6i88h2789193c5nbn3s8q9x4hgpk-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 11.735s