this derivation will be built:
  /nix/store/vp0b8c0fy6z92fmf8r24qb65qw3vb9j4-treefmt-check.drv
building '/nix/store/vp0b8c0fy6z92fmf8r24qb65qw3vb9j4-treefmt-check.drv'
treefmt-check> traversed 519 files
treefmt-check> emitted 355 files for processing
treefmt-check> formatted 355 files (0 changed) in 2.203s

upload niks3: ok