these 2 derivations will be built:
  /nix/store/lk1cq9kr7ivm3l5cqr5898s57czznc6l-flake-inputs.drv
  /nix/store/l668cb6p16cxlzs5ccaxana704inw1zq-check-flake-inputs.drv
building '/nix/store/lk1cq9kr7ivm3l5cqr5898s57czznc6l-flake-inputs.drv'
building '/nix/store/l668cb6p16cxlzs5ccaxana704inw1zq-check-flake-inputs.drv'

upload niks3: ok