these 2 derivations will be built: /nix/store/d473if11dpmi2hwbwd4620d9f8f2s9fm-flake-inputs.drv /nix/store/lfj6z449kpidm73f7x1lnapykb58xl9i-check-flake-inputs.drv building '/nix/store/d473if11dpmi2hwbwd4620d9f8f2s9fm-flake-inputs.drv' building '/nix/store/lfj6z449kpidm73f7x1lnapykb58xl9i-check-flake-inputs.drv' upload niks3: ok