this derivation will be built:
  /nix/store/v9rbm4d6i8gxbzbr5gyzj608g3a6b10y-treefmt-check.drv
building '/nix/store/v9rbm4d6i8gxbzbr5gyzj608g3a6b10y-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 2116 files
treefmt-check> emitted 536 files for processing
treefmt-check> formatted 536 files (0 changed) in 8.513s

upload niks3: ok