these 2 derivations will be built:
  /nix/store/85rc8lznnxir54bm9fm61is3ax2mdrgk-flake-inputs.drv
  /nix/store/88kyj1x2rs34ga3f4rnsgjzabrc53h55-check-flake-inputs.drv
building '/nix/store/85rc8lznnxir54bm9fm61is3ax2mdrgk-flake-inputs.drv'
building '/nix/store/88kyj1x2rs34ga3f4rnsgjzabrc53h55-check-flake-inputs.drv'

upload niks3: ok