these 2 derivations will be built: /nix/store/mqa87dss0d613x2bbhrz47szch7fpfvf-flake-inputs.drv /nix/store/mlp3bqbrq9r0h462jlp26z9ycv7sr6zh-check-flake-inputs.drv building '/nix/store/mqa87dss0d613x2bbhrz47szch7fpfvf-flake-inputs.drv' building '/nix/store/mlp3bqbrq9r0h462jlp26z9ycv7sr6zh-check-flake-inputs.drv' upload niks3: ok