rtu-server: Add instructions to example to make it work #279

	# SPDX-FileCopyrightText: Copyright (c) 2017-2024 slowtec GmbH <[email protected]>
	# SPDX-License-Identifier: CC0-1.0

	# yaml-language-server: $schema=https://json.schemastore.org/github-workflow

	name: check-crate-features

	permissions:
	contents: read

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	workflow_dispatch:

	env:
	CARGO_TERM_COLOR: always

	jobs:
	run:
	strategy:
	matrix:
	crate-feature:
	- rtu
	- tcp
	- rtu-sync
	- tcp-sync
	- rtu-server
	- tcp-server
	include:
	- target: aarch64-apple-darwin
	runner_os: macos-latest
	- target: x86_64-pc-windows-msvc
	runner_os: windows-latest
	- target: x86_64-unknown-linux-musl
	runner_os: ubuntu-latest

	runs-on: ${{ matrix.runner_os }}

	steps:
	- name: Install Rust toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	targets: ${{ matrix.target }}

	- name: Checkout code
	uses: actions/checkout@v4

	- name: Generate Cargo.lock
	run: cargo generate-lockfile

	- name: Cache Rust toolchain and build artifacts
	uses: Swatinem/rust-cache@v2
	with:
	# The cache should not be shared between different workflows and jobs.
	shared-key: ${{ github.workflow }}-${{ github.job }}
	# Two jobs might share the same default target but have different build targets.
	key: ${{ matrix.target }}

	- name: Check crate feature
	run: cargo check --workspace --locked --no-default-features --target ${{ matrix.target }} --features ${{ matrix.crate-feature }}

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