this derivation will be built:
  /nix/store/z9fzrymmwwmzxg82zyk6k6kq06p6ha5d-nix-shell.drv
building '/nix/store/z9fzrymmwwmzxg82zyk6k6kq06p6ha5d-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok