these 2 derivations will be built:
  /nix/store/zxk3a0h43pb2r8qlzcs2ycbzsamrh2ny-flake-inputs.drv
  /nix/store/pizpd8izng9jylm8izh9d0akjvfdib3b-check-flake-inputs.drv
building '/nix/store/zxk3a0h43pb2r8qlzcs2ycbzsamrh2ny-flake-inputs.drv'
building '/nix/store/pizpd8izng9jylm8izh9d0akjvfdib3b-check-flake-inputs.drv'

upload niks3: ok