this derivation will be built:
  /nix/store/mcn587bljqj0vcyk2saidmwpkj6vk6fq-treefmt-check.drv
building '/nix/store/mcn587bljqj0vcyk2saidmwpkj6vk6fq-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 17.659s

upload niks3: ok