this derivation will be built:
  /nix/store/lf6k1sl13b7l3nk39c9nwn90bg75vnf5-nix-shell.drv
building '/nix/store/lf6k1sl13b7l3nk39c9nwn90bg75vnf5-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok