these 2 derivations will be built: /nix/store/b21m7gqhbrfp0mb0ynmid7vwch3b7nhv-flake-inputs.drv /nix/store/pj0h5cnb52mpzfbw631k8s2hbdhgg8x9-check-flake-inputs.drv building '/nix/store/b21m7gqhbrfp0mb0ynmid7vwch3b7nhv-flake-inputs.drv' building '/nix/store/pj0h5cnb52mpzfbw631k8s2hbdhgg8x9-check-flake-inputs.drv' upload niks3: ok