these 2 derivations will be built:
  /nix/store/s54af6fk7ikyxjfgilyw3ncjlv4bhq9q-flake-inputs.drv
  /nix/store/dxvy0135k3lkndng807nzf4a0lbgycbi-check-flake-inputs.drv
building '/nix/store/s54af6fk7ikyxjfgilyw3ncjlv4bhq9q-flake-inputs.drv'
building '/nix/store/dxvy0135k3lkndng807nzf4a0lbgycbi-check-flake-inputs.drv'

upload niks3: ok