message: override before add target
diff: @@ -30,8 +30,8 @@ RUN case "$TARGETARCH" in \
  && wget -qO- "https://musl.cc/$MUSL-cross.tgz" | tar -xzC /root/ \
  && PATH="/root/$MUSL-cross/bin:$PATH" \
  && CC=/root/$MUSL-cross/bin/$MUSL-gcc \
  - && rustup target add $RUST_TARGET \
  && rustup override set nightly \
  + && rustup target add $RUST_TARGET \
  && RUSTFLAGS="-C linker=$CC" \
  && CC=$CC \
  && cargo build --target "$RUST_TARGET" --release --features "local-tun local-redir armv8 neon stream-cipher aead-cipher-2022" \
  