this derivation will be built:
  /nix/store/5c86p6jxd7939lj4bn25r19kjqy3l4d4-treefmt-check.drv
bld3: building 5c86p6jxd7939lj4bn25r19kjqy3l4d4-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 33.74s