this derivation will be built:
  /nix/store/rcbd3p3qp69l608wwn68rdrwcd7b3923-treefmt-check.drv
building '/nix/store/rcbd3p3qp69l608wwn68rdrwcd7b3923-treefmt-check.drv'
treefmt-check> traversed 556 files
treefmt-check> emitted 376 files for processing
treefmt-check> formatted 376 files (0 changed) in 3.421s

upload niks3: ok