S3 bucket client keeps retrying after the request context is canceled

S3 bucket client keeps retrying after the request context is canceled: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). When running Cortex against S3-backed object storage, I noticed that if an in-flight operation's context gets canceled (either explicitly, or because an…