this derivation will be built:
  /nix/store/l9xv1yd8cxb7x4vfa0n23n5w30g7xr02-treefmt-check.drv
building '/nix/store/l9xv1yd8cxb7x4vfa0n23n5w30g7xr02-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1649 files
treefmt-check> emitted 425 files for processing
treefmt-check> formatted 425 files (0 changed) in 4.581s

upload niks3: ok