these 2 derivations will be built:
  /nix/store/0354cnar5n35jvx63kxabkih6gn0dnls-flake-inputs.drv
  /nix/store/438b5hsvb65vcd0j4waq3xwxnlcbdi2b-check-flake-inputs.drv
building '/nix/store/0354cnar5n35jvx63kxabkih6gn0dnls-flake-inputs.drv'
building '/nix/store/438b5hsvb65vcd0j4waq3xwxnlcbdi2b-check-flake-inputs.drv'

upload niks3: ok