Some troubleshooting

Author: EliahKagan

.github/workflows/ci.yml

@@ -85,6 +85,7 @@ jobs:
 
           chmod +x /usr/local/bin/wrap1 /usr/local/bin/wrapper1
           mkdir /run/lock/wrapper1.fbd136bd-9b1b-448d-84a9-e18be53ae63c.lock
+          (set -x; ls -l "/proc/$$/fd/1")  # See what's going on.
           ln -s -- "/proc/$$/fd/1" ~/ci-stdout
 
           find /usr/lib/gcc \( -name cc1 -o -name cc1plus \) \