this derivation will be built:
  /nix/store/3mhzkvpzc7bfm5v2xw6dpx8i9k2pwpa5-treefmt-check.drv
building '/nix/store/3mhzkvpzc7bfm5v2xw6dpx8i9k2pwpa5-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1081 files
treefmt-check> emitted 919 files for processing
treefmt-check> formatted 919 files (0 changed) in 9.115s

upload niks3: ok