Alan Wu

@XrXr

Posts

• 2026-04-20 • Alan Wu

  Hitting a Reverted Breaking Change in Rust

  The story starts with Rust 1.85.0 giving me a surprise SIGTRAP in some test code. For reasons not important here, I had to bump opt-level from 0 to 1 for tests. That made a bunch of tests fail with SIGTRAP, whose default signal handler terminates the process.