these 2 derivations will be built:
  /nix/store/2b6cnrx3ri36yk6gyw3v67py6b6igayz-flake-inputs.drv
  /nix/store/1bk9bipxa68jl3f20qlcrzyqxammc6an-check-flake-inputs.drv
building '/nix/store/2b6cnrx3ri36yk6gyw3v67py6b6igayz-flake-inputs.drv'
building '/nix/store/1bk9bipxa68jl3f20qlcrzyqxammc6an-check-flake-inputs.drv'

upload niks3: ok