this derivation will be built:
  /nix/store/saaay7hsi05fv366rinxzwnzdyhp2zrx-treefmt-check.drv
building '/nix/store/saaay7hsi05fv366rinxzwnzdyhp2zrx-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2052 files
treefmt-check> emitted 554 files for processing
treefmt-check> formatted 554 files (0 changed) in 3.086s

upload niks3: ok