these 2 derivations will be built:
  /nix/store/b4raxnlhaaka4ddnssgyxpf2v99hlx8y-flake-inputs.drv
  /nix/store/8xk5ry6mlid0spf7mdgfxgcwn1p8056h-check-flake-inputs.drv
building '/nix/store/b4raxnlhaaka4ddnssgyxpf2v99hlx8y-flake-inputs.drv'
building '/nix/store/8xk5ry6mlid0spf7mdgfxgcwn1p8056h-check-flake-inputs.drv'

upload niks3: ok