this derivation will be built:
  /nix/store/pr2zlg9n6wrpx8iawvdh5mbpk2k5z9za-treefmt-check.drv
building '/nix/store/pr2zlg9n6wrpx8iawvdh5mbpk2k5z9za-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1972 files
treefmt-check> emitted 536 files for processing
treefmt-check> formatted 536 files (0 changed) in 2.899s

upload niks3: ok