this derivation will be built:
  /nix/store/yl52vmdcmpz5fwbgzgrlhcwb833686d7-treefmt-check.drv
bld4: waiting for another worker building yl52vmdcmpz5fwbgzgrlhcwb833686d7-treefmt-check.drv
bld4: building yl52vmdcmpz5fwbgzgrlhcwb833686d7-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 11.263s