these 2 derivations will be built: /nix/store/2s1bygsdi98h25cppr3rmbgkb2wjx1mk-flake-inputs.drv /nix/store/v22n081zaivq53is772ri3n0i0spdbd6-check-flake-inputs.drv building '/nix/store/2s1bygsdi98h25cppr3rmbgkb2wjx1mk-flake-inputs.drv' building '/nix/store/v22n081zaivq53is772ri3n0i0spdbd6-check-flake-inputs.drv' upload niks3: ok