this derivation will be built:
  /nix/store/x9kk3wbiwms1bw9g4mzwy227mqms6ldy-nix-shell.drv
building '/nix/store/x9kk3wbiwms1bw9g4mzwy227mqms6ldy-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok