this derivation will be built:
  /nix/store/kqxdqf19i4qp6ing2q8fb3lfd4q9wif0-treefmt-check.drv
building '/nix/store/kqxdqf19i4qp6ing2q8fb3lfd4q9wif0-treefmt-check.drv'
treefmt-check> traversed 535 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 18.929s

upload niks3: ok