this derivation will be built:
  /nix/store/j667afx8b3z7j3hdfvrjjbccd50420d8-treefmt-check.drv
building '/nix/store/j667afx8b3z7j3hdfvrjjbccd50420d8-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 3.162s

upload niks3: ok