Disable builds with nightly Rust temporarily

cc #5722

Author: tronical

.github/workflows/ci.yaml

@@ -35,8 +35,9 @@ jobs:
                     - os: windows-2022
                       rust_version: "beta"
                       extra_args: "--exclude ffmpeg --exclude gstreamer-player"
-                    - os: ubuntu-22.04
-                      rust_version: "nightly"
+# Disable nightly until https://github.com/rust-lang/rust/issues/128386 is resolved                      
+#                    - os: ubuntu-22.04
+#                      rust_version: "nightly"
                 exclude:
                     - os: macos-12
                       rust_version: "1.73"