these 2 derivations will be built:
  /nix/store/s55d11zddgwsqsdg6b51wcly2r29afrv-flake-inputs.drv
  /nix/store/hzpcj618kl67cs0xb625s7pzrkw38fsg-check-flake-inputs.drv
building '/nix/store/s55d11zddgwsqsdg6b51wcly2r29afrv-flake-inputs.drv'
building '/nix/store/hzpcj618kl67cs0xb625s7pzrkw38fsg-check-flake-inputs.drv'

upload niks3: ok