these 3 derivations will be built:
  /nix/store/x0ga1ih05rbw9gxz56pv2carpw95q425-rendered.drv
  /nix/store/ccaximwhzjdpz0narsjs3r98i6ic6xm6-generated-docs.drv
  /nix/store/7l4whqmx56368n8j22jlfj86a4mx1xvg-nix-shell.drv
building '/nix/store/7l4whqmx56368n8j22jlfj86a4mx1xvg-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok