these 2 derivations will be built:
  /nix/store/mkbskpf26zdbvb3fml00xfmy1vm59c01-flake-inputs.drv
  /nix/store/swdv52ylpld5fzcf2insxbfhw3qgbpla-check-flake-inputs.drv
building '/nix/store/mkbskpf26zdbvb3fml00xfmy1vm59c01-flake-inputs.drv'
building '/nix/store/swdv52ylpld5fzcf2insxbfhw3qgbpla-check-flake-inputs.drv'

upload niks3: ok