these 2 derivations will be built: /nix/store/nqnhaqn81xsddxxqq1kk4j4hhrwg4x9g-flake-inputs.drv /nix/store/6cnbk2p83gn7zmqzril9ml2vcxyl683z-check-flake-inputs.drv building '/nix/store/nqnhaqn81xsddxxqq1kk4j4hhrwg4x9g-flake-inputs.drv' building '/nix/store/6cnbk2p83gn7zmqzril9ml2vcxyl683z-check-flake-inputs.drv' upload niks3: ok