this derivation will be built:
  /nix/store/r1isgbrci8m7k0wn5qw9qbjgwn7a9d3a-treefmt-check.drv
building '/nix/store/r1isgbrci8m7k0wn5qw9qbjgwn7a9d3a-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 2.571s

upload niks3: ok