this derivation will be built:
  /nix/store/3w9az8d3qqjq3n9cg9zcmp21mn712s03-treefmt-check.drv
building '/nix/store/3w9az8d3qqjq3n9cg9zcmp21mn712s03-treefmt-check.drv'
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 1m3.765s

upload niks3: ok