this derivation will be built:
  /nix/store/pjdx8p7gggkdcdni7pdhxf34yb638h63-nix-shell.drv
building '/nix/store/pjdx8p7gggkdcdni7pdhxf34yb638h63-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok