argunix: the derivation for this job is no longer in the coordinator's nix store (garbage-collected), so it cannot be sent to a builder. attribute: packages.x86_64-linux.image-v1-aarch64 derivation: /nix/store/l14gvkcnsxiffppz8a6dsr0iid8f54i1-appliance-1.drv Rebuild the commit to re-evaluate it.