these 2 derivations will be built: /nix/store/83aj1brin4bnvniypqyfd7nilvqj1gp7-flake-inputs.drv /nix/store/810zw0fk1il14k3ai9h4cabnml65a3y7-check-flake-inputs.drv building '/nix/store/83aj1brin4bnvniypqyfd7nilvqj1gp7-flake-inputs.drv' building '/nix/store/810zw0fk1il14k3ai9h4cabnml65a3y7-check-flake-inputs.drv' upload niks3: ok