RUSTSEC-2026-0019 `tracing-check` was removed from crates.io for malicious code

This is part of an ongoing campaign to attempt to typosquat crates in the polymarket-client-sdk ecosystem to exfiltrate user credentials. The malicious crate had 1 version published on 2026-02-24 approximately 4 hours before removal and had no evidence of actual downloads. There were no crates...