these 2 derivations will be built:
  /nix/store/lx691mggdglfmshmivj1p6wazwwj5y0s-flake-inputs.drv
  /nix/store/4gi3lh6pxp867iyivd55b0qmzipizvf5-check-flake-inputs.drv
building '/nix/store/lx691mggdglfmshmivj1p6wazwwj5y0s-flake-inputs.drv'
building '/nix/store/4gi3lh6pxp867iyivd55b0qmzipizvf5-check-flake-inputs.drv'

upload niks3: ok