this derivation will be built:
  /nix/store/ys99rkwd4in0w9mvgcykkp3pznhkg5c5-treefmt-check.drv
building '/nix/store/ys99rkwd4in0w9mvgcykkp3pznhkg5c5-treefmt-check.drv'
treefmt-check> traversed 533 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 15.52s

upload niks3: ok