these 2 derivations will be built:
  /nix/store/148khvnzqq1y176pzrvy4n3pz1yhh2pl-flake-inputs.drv
  /nix/store/xnipx4qjv8kyx1liypzhc1mxgj3c9fmd-check-flake-inputs.drv
building '/nix/store/148khvnzqq1y176pzrvy4n3pz1yhh2pl-flake-inputs.drv'
building '/nix/store/xnipx4qjv8kyx1liypzhc1mxgj3c9fmd-check-flake-inputs.drv'

upload niks3: ok