Support nostd for tests. #17

	# Benchmark the PR against the main branch.
	name: benchmark_pr
	on:
	pull_request:
	branches: [main]

	env:
	CARGO_TERM_COLOR: always
	jobs:
	benchmark:
	runs-on: ubuntu-latest
	env:
	# A different directory is required so that checkouting out the main
	# branch doesn't affect the PR branch.
	CARGO_TARGET_DIR: /tmp/target
	steps:
	- name: Checkout PR
	uses: actions/checkout@v2
	- name: Rust Cache
	uses: Swatinem/rust-cache@v1
	- name: Install benchmarking utilities
	run: cargo install critcmp
	- name: Benchmark After
	run: git branch && cargo bench -- --noplot --save-baseline after
	- name: Checkout Main
	uses: actions/checkout@v2
	with:
	ref: main
	- name: Benchmark Before
	run: git branch && cargo bench -- --noplot --save-baseline before
	- name: Compare benchmarks
	run: critcmp before after

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