this derivation will be built:
  /nix/store/l1f6hdxn5lm3x8w0r8wk3dwq4d815jrf-treefmt-check.drv
building '/nix/store/l1f6hdxn5lm3x8w0r8wk3dwq4d815jrf-treefmt-check.drv'
treefmt-check> traversed 532 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 3.151s

upload niks3: ok