these 2 derivations will be built:
  /nix/store/r4skslviq7vj8qad8ikzq6wzn92sc67i-flake-inputs.drv
  /nix/store/3pzipl2yqb29y87mxkm0if1rzzcpi4di-check-flake-inputs.drv
building '/nix/store/r4skslviq7vj8qad8ikzq6wzn92sc67i-flake-inputs.drv'
building '/nix/store/3pzipl2yqb29y87mxkm0if1rzzcpi4di-check-flake-inputs.drv'

upload niks3: ok