these 2 derivations will be built: /nix/store/dz8il8ncvscqdvfaz1wjr1blb9qkaqzd-flake-inputs.drv /nix/store/hc48gshfsvnvk0cawqg34nnspa0zhfh2-check-flake-inputs.drv building '/nix/store/dz8il8ncvscqdvfaz1wjr1blb9qkaqzd-flake-inputs.drv' building '/nix/store/hc48gshfsvnvk0cawqg34nnspa0zhfh2-check-flake-inputs.drv' upload niks3: ok