this derivation will be built:
  /nix/store/1vyvsymh6ydkfx4nf8i0qhfwlsdqxyrr-treefmt-check.drv
building '/nix/store/1vyvsymh6ydkfx4nf8i0qhfwlsdqxyrr-treefmt-check.drv'
treefmt-check> traversed 537 files
treefmt-check> emitted 364 files for processing
treefmt-check> formatted 364 files (0 changed) in 3.013s

upload niks3: ok