these 2 derivations will be built:
  /nix/store/khs9i0b07m3d5di1sg1h93zwcrb2ivyb-flake-inputs.drv
  /nix/store/b5x8r0b6712mn73q636mlj052zckqv8s-check-flake-inputs.drv
building '/nix/store/khs9i0b07m3d5di1sg1h93zwcrb2ivyb-flake-inputs.drv'
building '/nix/store/b5x8r0b6712mn73q636mlj052zckqv8s-check-flake-inputs.drv'

upload niks3: ok