these 2 derivations will be built:
  /nix/store/sl9k7w1jfx3nmlayfgw5822m8phmnm61-flake-inputs.drv
  /nix/store/k4px17lmi98sjv6ap530107zpmgcid7i-check-flake-inputs.drv
building '/nix/store/sl9k7w1jfx3nmlayfgw5822m8phmnm61-flake-inputs.drv'
building '/nix/store/k4px17lmi98sjv6ap530107zpmgcid7i-check-flake-inputs.drv'

upload niks3: ok