this derivation will be built:
  /nix/store/1i1f1jngkgwi3zkjd0nzps75a8pxamb4-atomic-test-help.drv
building '/nix/store/1i1f1jngkgwi3zkjd0nzps75a8pxamb4-atomic-test-help.drv'

upload niks3: ok