these 2 derivations will be built:
  /nix/store/378fdk1jx6bmxzcxcsb4f34srnyf9cx4-flake-inputs.drv
  /nix/store/w9w3fmsx52xbpih1psr2jvyfcpx9nxgf-check-flake-inputs.drv
building '/nix/store/378fdk1jx6bmxzcxcsb4f34srnyf9cx4-flake-inputs.drv'
building '/nix/store/w9w3fmsx52xbpih1psr2jvyfcpx9nxgf-check-flake-inputs.drv'

upload niks3: ok