failed to checkout syzkaller repo: failed to run ["git" "fetch" "--force" "--tags" "8408054c2e598e2818e3e31f22aefcbac3668c43" "cb976f63e0177b96eb9ce1c631cc5e2c4b4b0759"]: exit status 128
error: RPC failed; HTTP 503 curl 22 The requested URL returned error: 503
fatal: expected flush after ref listing