these 2 derivations will be built:
  /nix/store/jvvlhcaq058r2i3j2bnzpiv5z4cyvlnz-flake-inputs.drv
  /nix/store/bkyjqyl6cp2lgp2m0bx4w4i3k7jscw0g-check-flake-inputs.drv
building '/nix/store/jvvlhcaq058r2i3j2bnzpiv5z4cyvlnz-flake-inputs.drv'
building '/nix/store/bkyjqyl6cp2lgp2m0bx4w4i3k7jscw0g-check-flake-inputs.drv'

upload niks3: ok