this derivation will be built:
  /nix/store/d25fnbs50bzr1z2qfh1gryx9i9qds4fm-treefmt-check.drv
building '/nix/store/d25fnbs50bzr1z2qfh1gryx9i9qds4fm-treefmt-check.drv'
treefmt-check> traversed 535 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 7.442s

upload niks3: ok