these 2 derivations will be built:
  /nix/store/k2ila8l3608vg3ghy3ig69vfk0jasngd-flake-inputs.drv
  /nix/store/j0a01sygya4kdzzd0rqygvwnf0cpi1nw-check-flake-inputs.drv
building '/nix/store/k2ila8l3608vg3ghy3ig69vfk0jasngd-flake-inputs.drv'
building '/nix/store/j0a01sygya4kdzzd0rqygvwnf0cpi1nw-check-flake-inputs.drv'

upload niks3: ok