these 2 derivations will be built:
  /nix/store/qipi0fs9nlm1yxqsh8j11izkk70d7d9w-flake-inputs.drv
  /nix/store/kfkwj60lb76knv5jamxmipd326cpgnk3-check-flake-inputs.drv
building '/nix/store/qipi0fs9nlm1yxqsh8j11izkk70d7d9w-flake-inputs.drv'
building '/nix/store/kfkwj60lb76knv5jamxmipd326cpgnk3-check-flake-inputs.drv'

upload niks3: ok