this derivation will be built:
  /nix/store/6h4c9r6n8hl91gm6qa5yzxh3f6fhdqz2-nix-shell.drv
building '/nix/store/6h4c9r6n8hl91gm6qa5yzxh3f6fhdqz2-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok