this derivation will be built:
  /nix/store/rvciffjd7fj476mmi2ac3880scfh8v1n-treefmt-check.drv
building '/nix/store/rvciffjd7fj476mmi2ac3880scfh8v1n-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2010 files
treefmt-check> emitted 552 files for processing
treefmt-check> formatted 552 files (0 changed) in 3.235s

upload niks3: ok