Fix -Zno-landing-pads

Author: coolreader18

.github/workflows/cron-ci.yaml

@@ -30,7 +30,7 @@ jobs:
           args: --verbose
         env:
           CARGO_INCREMENTAL: '0'
-          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Zno-landing-pads'
+          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
       - uses: actions/setup-python@v1
         with:
           python-version: 3.8