this derivation will be built:
  /nix/store/xmjx5f24jyajavb1npj6wb8mrs3bydnh-treefmt-check.drv
bld4: building xmjx5f24jyajavb1npj6wb8mrs3bydnh-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 5.732s