this derivation will be built:
  /nix/store/dfq6r2v3anpg0p4jdsxbi44b2b4mj4r9-treefmt-check.drv
building '/nix/store/dfq6r2v3anpg0p4jdsxbi44b2b4mj4r9-treefmt-check.drv'
treefmt-check> traversed 538 files
treefmt-check> emitted 366 files for processing
treefmt-check> formatted 366 files (0 changed) in 4.167s

upload niks3: ok