this derivation will be built:
  /nix/store/qwm5pcyl3rlj9jnx7fkf1gdm2m51vg39-treefmt-check.drv
building '/nix/store/qwm5pcyl3rlj9jnx7fkf1gdm2m51vg39-treefmt-check.drv'
treefmt-check> traversed 535 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 13.439s

upload niks3: ok