Clean up doctests for the `entry` macro #15

	name: CI
	on:
	push:
	paths:
	- '**.rs'
	- '**Cargo.toml'
	- .github/workflows/ci.yml
	- .github/actions/*/action.yml
	branches: [ '**' ]
	tags-ignore: [ '**' ]
	workflow_call:

	jobs:
	test:
	name: Run tests
	runs-on: ubuntu-latest
	steps:
	- name: Checkout and setup
	uses: speelbarrow/checkout-and-setup@v1
	- name: Run tests
	run: cargo test --workspace

	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout and setup
	uses: speelbarrow/checkout-and-setup@v1
	with:
	variables: thumbv7em-none-eabihf
	- name: Create a Cargo package containing a binary crate
	working-directory: ../
	run: cargo new --bin --vcs=none test-bin
	- name: Add `weensy` as a dependency of the package
	run: \|
	echo "weensy = { path = '`pwd`' }" >> ../test-bin/Cargo.toml
	- name: Define additional dependencies of the package
	working-directory: ../test-bin
	run: cargo add teensy4-bsp teensy4-panic -F teensy4-bsp/rt
	- name: Create the `main` program
	working-directory: ../test-bin
	run: \|
	cat <<EOF > src/main.rs
	#![no_std]
	#![no_main]
	use teensy4_bsp as _;
	use teensy4_panic as _;
	#[weensy::entry]
	fn main() -> ! {
	loop {}
	}
	EOF
	- name: Build the package
	working-directory: ../test-bin
	run: \|
	cargo build \
	--target thumbv7em-none-eabihf \
	--config 'target.thumbv7em-none-eabihf.rustflags = ["-C", "link-arg=-Tt4link.x"]' \
	--release

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