these 2 derivations will be built:
  /nix/store/hkazhbcrg9s3332apcf3scg9rh99wi19-flake-inputs.drv
  /nix/store/2sc2zbi621d0469pga1hb9xhfjbzbgnw-check-flake-inputs.drv
building '/nix/store/hkazhbcrg9s3332apcf3scg9rh99wi19-flake-inputs.drv'
building '/nix/store/2sc2zbi621d0469pga1hb9xhfjbzbgnw-check-flake-inputs.drv'

upload niks3: ok