Rust: Provide a trait method to (optionally) control resource allocation #3964

Job	Run time
clippy	54s
Crate Unit Tests	2m 41s
Check	2m 44s
Verify MSRV	1m 5s
Rustfmt	14s
Test Async (allowed to fail)	2m 50s
Build wit-bindgen (riscv64gc-linux, ubuntu-latest, riscv64gc-unknown-linux-gnu, ./ci/docker/riscv...	2m 48s
Build wit-bindgen (aarch64-macos, macos-latest, aarch64-apple-darwin, 10.12)	2m 50s
Build wit-bindgen (x86_64-windows, windows-latest, x86_64-pc-windows-msvc, -Ctarget-feature=+crt-...	4m 42s
Build wit-bindgen (aarch64-windows, windows-11-arm, aarch64-pc-windows-msvc, -Ctarget-feature=+cr...	3m 30s
Build wit-bindgen (aarch64-linux, ubuntu-latest, aarch64-unknown-linux-gnu, ./ci/docker/aarch64-l...	2m 53s
Build wit-bindgen (x86_64-linux, ubuntu-latest, x86_64-unknown-linux-gnu, ./ci/docker/x86_64-linu...	2m 48s
Build wit-bindgen (x86_64-macos, macos-latest, x86_64-apple-darwin, 10.12)	2m 10s
verify-publish	2m 50s
Test (ubuntu-latest, cpp)	2m 43s
Test (macos-latest, c)	2m 9s
Test (ubuntu-latest, go)	4m 8s
Test (windows-latest, c)	4m 1s
Test (windows-latest, go)	6m 54s
Test (macos-latest, go)	3m 5s
Test (macos-latest, rust)	4m 32s
Test (ubuntu-latest, rust)	3m 9s
Test (macos-latest, cpp)	2m 23s
Test (windows-latest, cpp)	5m 11s
Test (windows-latest, csharp)	15m 44s
Test (ubuntu-latest, csharp)	12m 1s
Test (windows-latest, rust)	6m 42s
Test (ubuntu-latest, c)	2m 11s
Record the result of testing and building steps	2s
	1h 49m 54s

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