Fix: turn on Rust backtraces for CI runs.

bjones1 · bjones1 · commit 21d4fa1f5756 · 2025-12-09T16:28:10.000-06:00
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
@@ -23,6 +23,10 @@ name: Check
 on:
   pull_request:
 
+env:
+  # Always display a backtrace, to help track down errors.
+  RUST_BACKTRACE: 1
+
 jobs:
   check:
     strategy:
