src/test/ui/issues/issue-87707.run.stderr

   1 thread 'main' panicked at 'Here Once instance is poisoned.', $DIR/issue-87707.rs:13:24
   2 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
   3 thread 'main' panicked at 'Once instance has previously been poisoned', $DIR/issue-87707.rs:15:7