these 2 derivations will be built: /nix/store/bp9wsmxpdrhzvdxi3335650rra7dcw6y-flake-inputs.drv /nix/store/xc6qsfr0s0lmdjhm15pp417dr8wyxwjj-check-flake-inputs.drv building '/nix/store/bp9wsmxpdrhzvdxi3335650rra7dcw6y-flake-inputs.drv' building '/nix/store/xc6qsfr0s0lmdjhm15pp417dr8wyxwjj-check-flake-inputs.drv' upload niks3: ok