this derivation will be built:
  /nix/store/kcgknq7md3x3vwxni65k4vh2609np79l-treefmt-check.drv
building '/nix/store/kcgknq7md3x3vwxni65k4vh2609np79l-treefmt-check.drv'
treefmt-check> traversed 532 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 12.95s

upload niks3: ok