this derivation will be built:
  /nix/store/kmxxx9pxfnxryiwgf577pdyrnq6v3cjb-treefmt-check.drv
bld4: building kmxxx9pxfnxryiwgf577pdyrnq6v3cjb-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 24.943s