this derivation will be built:
  /nix/store/a1nqq50lspq85qkknm42nc2ipwjm5nqi-treefmt-check.drv
building '/nix/store/a1nqq50lspq85qkknm42nc2ipwjm5nqi-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2021 files
treefmt-check> emitted 548 files for processing
treefmt-check> formatted 548 files (0 changed) in 3.382s

upload niks3: ok