this derivation will be built:
  /nix/store/h7n3f8h0i8vm7bb9xc2sbzv1mbpww6ld-nix-shell.drv
building '/nix/store/h7n3f8h0i8vm7bb9xc2sbzv1mbpww6ld-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: ok