these 2 derivations will be built:
  /nix/store/pfyn3a092if2c8d7pzfwk9r4gbnxsms5-flake-inputs.drv
  /nix/store/7dxj3nblr8d9wmdc3ghjvwn7pgrfxlm0-check-flake-inputs.drv
building '/nix/store/pfyn3a092if2c8d7pzfwk9r4gbnxsms5-flake-inputs.drv'
building '/nix/store/7dxj3nblr8d9wmdc3ghjvwn7pgrfxlm0-check-flake-inputs.drv'

upload niks3: ok