this derivation will be built:
  /nix/store/c7sxzvn3jizh8f9cc2919kpc1c1q0pa1-treefmt-check.drv
building '/nix/store/c7sxzvn3jizh8f9cc2919kpc1c1q0pa1-treefmt-check.drv'
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 3.203s

upload niks3: ok