Provide TraceAgent::trace_box_unstable to expose the inner trace (#404) #5

	name: test

	on: [push, pull_request]

	jobs:
	test:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v3
	- run: rustup update 1.70 --no-self-update && rustup default 1.70
	- run: cargo build
	- name: test mdBook
	# rustdoc doesn't build dependencies, so it needs to run after `cargo build`,
	# but its dependency search gets confused if there are multiple copies of any
	# dependency in target/debug/deps, so it needs to run before `cargo test` et al.
	# clutter target/debug/deps with multiple copies of things.
	run: for file in $(find mdbook -name '*.md' \| sort); do rustdoc --test $file -L ./target/debug/deps; done
	- run: cargo test

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