Rust

Fix id clash in test_viewports app #148

Job	Run time
Format + check + test	2m 34s
android	21s
Check wasm32 + wasm-bindgen	43s
cargo-deny aarch64-apple-darwin	42s
Check Windows	1m 37s
cargo-deny aarch64-linux-android	41s
cargo-deny i686-pc-windows-gnu	59s
cargo-deny i686-pc-windows-msvc	42s
cargo-deny i686-unknown-linux-gnu	40s
cargo-deny wasm32-unknown-unknown	51s
cargo-deny x86_64-apple-darwin	40s
cargo-deny x86_64-pc-windows-gnu	40s
cargo-deny x86_64-pc-windows-msvc	43s
cargo-deny x86_64-unknown-linux-gnu	50s
cargo-deny x86_64-unknown-linux-musl	44s
cargo-deny x86_64-unknown-redox	54s
	14m 21s

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