update intro fig; fix assertions #446

	name: Cargo bench
	on:
	push:
	branches:
	- master

	permissions:
	contents: write
	deployments: write

	jobs:
	benchmark:
	name: Cargo bench
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- run: rustup toolchain update nightly && rustup default nightly
	- uses: Swatinem/rust-cache@v1
	- name: Run benchmark
	run: cargo +nightly bench --bench benchmark --no-default-features \| tee output.txt
	- name: Store benchmark result
	uses: benchmark-action/github-action-benchmark@v1
	with:
	name: Rust Benchmark
	tool: "cargo"
	output-file-path: output.txt
	github-token: ${{ secrets.GITHUB_TOKEN }}
	auto-push: true
	alert-threshold: "150%"
	comment-on-alert: false
	fail-on-alert: true
	alert-comment-cc-users: "@RagnarGrootKoerkamp"

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