these 2 derivations will be built: /nix/store/r64kvhw4nj1mnp8scdb7gfzvhhrspr12-flake-inputs.drv /nix/store/rzfhxh720gih6baij9zrigkqa49jh55s-check-flake-inputs.drv building '/nix/store/r64kvhw4nj1mnp8scdb7gfzvhhrspr12-flake-inputs.drv' building '/nix/store/rzfhxh720gih6baij9zrigkqa49jh55s-check-flake-inputs.drv' upload niks3: ok