these 2 derivations will be built:
  /nix/store/j359w3gd59k935612qdva1vy6y229l4z-flake-inputs.drv
  /nix/store/g0pi34fzp2qfs27mjms81lpccqgnm7c2-check-flake-inputs.drv
building '/nix/store/j359w3gd59k935612qdva1vy6y229l4z-flake-inputs.drv'
building '/nix/store/g0pi34fzp2qfs27mjms81lpccqgnm7c2-check-flake-inputs.drv'

upload niks3: ok