this derivation will be built:
  /nix/store/nnir0jcnl0x69rj0fg34v8a9wjj7krp1-treefmt-check.drv
building '/nix/store/nnir0jcnl0x69rj0fg34v8a9wjj7krp1-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 1968 files
treefmt-check> emitted 531 files for processing
treefmt-check> formatted 531 files (0 changed) in 3.153s

upload niks3: ok