these 2 derivations will be built: /nix/store/06x2wdbbj7f5czbsmc29jp4c71ldwn33-flake-inputs.drv /nix/store/m9xs4hszp55c7kgmkld5fx6vikqs0091-check-flake-inputs.drv building '/nix/store/06x2wdbbj7f5czbsmc29jp4c71ldwn33-flake-inputs.drv' building '/nix/store/m9xs4hszp55c7kgmkld5fx6vikqs0091-check-flake-inputs.drv' upload niks3: ok