these 2 derivations will be built:
  /nix/store/fgp2m70d3ilvy4hplkr9hvbp89zg8xvx-flake-inputs.drv
  /nix/store/aypycliz3pj3qzqygm5waxisfjnxg4sm-check-flake-inputs.drv
building '/nix/store/fgp2m70d3ilvy4hplkr9hvbp89zg8xvx-flake-inputs.drv'
building '/nix/store/aypycliz3pj3qzqygm5waxisfjnxg4sm-check-flake-inputs.drv'

upload niks3: ok