these 2 derivations will be built: /nix/store/lv2kzng9vl4nsfh0apzhj24174bgxjsg-flake-inputs.drv /nix/store/dpb0lzc9p5qajdrqj5clpmq12viwsbav-check-flake-inputs.drv building '/nix/store/lv2kzng9vl4nsfh0apzhj24174bgxjsg-flake-inputs.drv' building '/nix/store/dpb0lzc9p5qajdrqj5clpmq12viwsbav-check-flake-inputs.drv' upload niks3: ok