these 2 derivations will be built:
  /nix/store/cjgsja8yscwz1ijhxdqx16mjkpvxh8f3-flake-inputs.drv
  /nix/store/ycz7pwngn3r14lw2i8l4d4lbmrg7p57w-check-flake-inputs.drv
building '/nix/store/cjgsja8yscwz1ijhxdqx16mjkpvxh8f3-flake-inputs.drv'
building '/nix/store/ycz7pwngn3r14lw2i8l4d4lbmrg7p57w-check-flake-inputs.drv'

upload niks3: ok