this derivation will be built:
  /nix/store/v0kzxm78nf4by6s53r88wl5cidwqn7xa-treefmt-check.drv
building '/nix/store/v0kzxm78nf4by6s53r88wl5cidwqn7xa-treefmt-check.drv'
treefmt-check> traversed 532 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 3.734s

upload niks3: ok