these 2 derivations will be built:
  /nix/store/zls50wxa0g9y9vjxplbk2g5nl40m438j-flake-inputs.drv
  /nix/store/jv9qfhc6syf232lz6anhf5q8lc50njxb-check-flake-inputs.drv
building '/nix/store/zls50wxa0g9y9vjxplbk2g5nl40m438j-flake-inputs.drv'
building '/nix/store/jv9qfhc6syf232lz6anhf5q8lc50njxb-check-flake-inputs.drv'

upload niks3: ok