these 3 derivations will be built:
  /nix/store/y7pp71f68v52hx4zyzszvz808jcf5w3a-rendered.drv
  /nix/store/rd2nr6hw96mjj5r9iyzy91kvskar4wjb-generated-docs.drv
  /nix/store/2wajykw6kcb8xdar9w4g4wjjdj634yaz-nix-shell.drv
building '/nix/store/2wajykw6kcb8xdar9w4g4wjjdj634yaz-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok