this derivation will be built:
  /nix/store/bphvr7sawvvr83nh4qhaw7k72zd610f1-treefmt-check.drv
building '/nix/store/bphvr7sawvvr83nh4qhaw7k72zd610f1-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2051 files
treefmt-check> emitted 554 files for processing
treefmt-check> formatted 554 files (0 changed) in 3.207s

upload niks3: ok