these 2 derivations will be built:
  /nix/store/gcxclyx502ygyjvh4fbsz43y8qw25fhn-flake-inputs.drv
  /nix/store/kqc0nvr2jfa56qsvzgwbp4g2jjj4gwjl-check-flake-inputs.drv
building '/nix/store/gcxclyx502ygyjvh4fbsz43y8qw25fhn-flake-inputs.drv'
building '/nix/store/kqc0nvr2jfa56qsvzgwbp4g2jjj4gwjl-check-flake-inputs.drv'

upload niks3: ok