this derivation will be built:
  /nix/store/hfmjbs246vshydfpyzlwydq8l7ng8z21-nix-shell.drv
building '/nix/store/hfmjbs246vshydfpyzlwydq8l7ng8z21-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: failed
timed out after 3600s