these 2 derivations will be built: /nix/store/0dq4qjahxklgzhi11bdqk5iqfgk97ql0-flake-inputs.drv /nix/store/1s3qwg2v9p3mgg6q0pbwkr5wjfp16a26-check-flake-inputs.drv building '/nix/store/0dq4qjahxklgzhi11bdqk5iqfgk97ql0-flake-inputs.drv' building '/nix/store/1s3qwg2v9p3mgg6q0pbwkr5wjfp16a26-check-flake-inputs.drv' upload niks3: ok