this derivation will be built:
  /nix/store/0cnhhiwn2cs82l33rx0p6g33m8s3kl5s-treefmt-check.drv
building '/nix/store/0cnhhiwn2cs82l33rx0p6g33m8s3kl5s-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2021 files
treefmt-check> emitted 548 files for processing
treefmt-check> formatted 548 files (0 changed) in 3.458s

upload niks3: ok