Rust

Add `Context::debug_text` #8789

Job	Run time
Check wasm32 + wasm-bindgen	2m 32s
android	23s
Format + check + test	2m 49s
cargo-deny aarch64-apple-darwin	40s
Check Windows	1m 25s
cargo-deny aarch64-linux-android	41s
cargo-deny i686-pc-windows-gnu	41s
cargo-deny i686-pc-windows-msvc	39s
cargo-deny i686-unknown-linux-gnu	40s
cargo-deny wasm32-unknown-unknown	42s
cargo-deny x86_64-apple-darwin	42s
cargo-deny x86_64-pc-windows-gnu	38s
cargo-deny x86_64-pc-windows-msvc	40s
cargo-deny x86_64-unknown-linux-gnu	38s
cargo-deny x86_64-unknown-linux-musl	39s
cargo-deny x86_64-unknown-redox	39s
	15m 8s

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