these 2 derivations will be built:
  /nix/store/d7rd4w6axzi2862faisdgbqq22ig74ss-flake-inputs.drv
  /nix/store/s471jipwkbr8sj7mlghi6mqsqzbjjzxz-check-flake-inputs.drv
building '/nix/store/d7rd4w6axzi2862faisdgbqq22ig74ss-flake-inputs.drv'
building '/nix/store/s471jipwkbr8sj7mlghi6mqsqzbjjzxz-check-flake-inputs.drv'

upload niks3: ok