these 2 derivations will be built: /nix/store/aaqji7wb2yxzcfpsgbldnqq3b5dy7w3s-flake-inputs.drv /nix/store/6fhdd848r746h0silix112zyhg9sx3fh-check-flake-inputs.drv building '/nix/store/aaqji7wb2yxzcfpsgbldnqq3b5dy7w3s-flake-inputs.drv' building '/nix/store/6fhdd848r746h0silix112zyhg9sx3fh-check-flake-inputs.drv' upload niks3: ok