these 2 derivations will be built:
  /nix/store/r9mblplz7j0946gcf0kzlwpfqlyjjsh4-flake-inputs.drv
  /nix/store/jbj9v337hv0fjc3ac27ay4y7z8karbdl-check-flake-inputs.drv
building '/nix/store/r9mblplz7j0946gcf0kzlwpfqlyjjsh4-flake-inputs.drv'
building '/nix/store/jbj9v337hv0fjc3ac27ay4y7z8karbdl-check-flake-inputs.drv'

upload niks3: ok