this derivation will be built:
  /nix/store/pwfd9fvl1riswvlpp931m308ggqqig85-treefmt-check.drv
building '/nix/store/pwfd9fvl1riswvlpp931m308ggqqig85-treefmt-check.drv'
treefmt-check> traversed 521 files
treefmt-check> emitted 356 files for processing
treefmt-check> formatted 356 files (0 changed) in 3.537s

upload niks3: ok