this derivation will be built:
  /nix/store/dp0xam8cg7yc1daii1hl3cwvx7cpj4bg-treefmt-check.drv
building '/nix/store/dp0xam8cg7yc1daii1hl3cwvx7cpj4bg-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 2084 files
treefmt-check> emitted 506 files for processing
treefmt-check> formatted 506 files (0 changed) in 4.027s

upload niks3: ok