this derivation will be built:
  /nix/store/riq46z3c1y7z1pai8dz4p4qns7ca2fg1-treefmt-check.drv
building '/nix/store/riq46z3c1y7z1pai8dz4p4qns7ca2fg1-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 84 files
treefmt-check> emitted 52 files for processing
treefmt-check> formatted 52 files (0 changed) in 71ms

upload niks3: ok