these 2 derivations will be built: /nix/store/dds8zcpj0yrdcjrgc3s4ih8fbxn3zwxz-flake-inputs.drv /nix/store/34awjjh6rz8f6hxfpc7dx9xsjwqz64is-check-flake-inputs.drv building '/nix/store/dds8zcpj0yrdcjrgc3s4ih8fbxn3zwxz-flake-inputs.drv' building '/nix/store/34awjjh6rz8f6hxfpc7dx9xsjwqz64is-check-flake-inputs.drv' upload niks3: ok