CI: test build on actual `no_std` platforms #89

	name: rustls-rustcrypto

	on:
	pull_request:
	paths-ignore:
	- README.md
	push:
	branches: master
	paths-ignore:
	- README.md

	permissions:
	contents: read

	env:
	CARGO_INCREMENTAL: 0
	RUSTFLAGS: "-Dwarnings"

	jobs:
	clippy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: 1.75.0
	components: clippy
	- run: cargo clippy --all --all-features -- -D warnings

	doc:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: stable
	- run: cargo doc --all-features

	rustfmt:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: stable
	components: rustfmt
	- run: cargo fmt --all -- --check

	no_std:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- 1.56.0 # MSRV
	- stable
	target:
	- armv7a-none-eabi
	- thumbv7em-none-eabi
	- wasm32-unknown-unknown
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	targets: ${{ matrix.target }}
	- run: cargo build --no-default-features --features tls12,alloc --release --target ${{ matrix.target }}

	test:
	strategy:
	matrix:
	toolchain:
	- stable
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: RustCrypto/actions/cargo-cache@master
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.toolchain }}
	- run: cargo test --features tls12
	- name: Test no_std with alloc
	run: cargo test --no-default-features --features tls12,alloc

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