these 2 derivations will be built: /nix/store/h9zln62rgmp3gycrfikv7cfdkzzhp7fn-flake-inputs.drv /nix/store/hq1fskzp7jcsyqn0k369bcm4f7i93h00-check-flake-inputs.drv building '/nix/store/h9zln62rgmp3gycrfikv7cfdkzzhp7fn-flake-inputs.drv' building '/nix/store/hq1fskzp7jcsyqn0k369bcm4f7i93h00-check-flake-inputs.drv' upload niks3: ok