fix build without json feature #119

	on:
	pull_request:
	push:
	branches: [main]

	name: Continuous integration

	jobs:
	test:
	name: Test Suite
	runs-on: ubuntu-latest
	steps:
	- name: Checkout the code
	uses: actions/checkout@v3
	- name: 🗄️ Setup Rust cache
	uses: actions/cache@v2
	with:
	key: rust-cache
	path: \|
	~/.cargo/registry/index
	~/.cargo/registry/cache
	~/.cargo/git
	./target
	- name: 🦀 Install Rust
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- name: 🧪 Run tests
	uses: actions-rs/cargo@v1
	with:
	command: test

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- name: Checkout the code
	uses: actions/checkout@v3
	- name: 🗄️ Setup Rust cache
	uses: actions/cache@v2
	with:
	key: rust-cache-nightly
	path: \|
	~/.cargo/registry/index
	~/.cargo/registry/cache
	~/.cargo/git
	./target
	- uses: actions-rs/toolchain@v1
	with:
	override: true
	profile: minimal
	toolchain: nightly
	components: rustfmt, clippy
	- name: 🧹 Format code
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check
	- name: 📎 Clippy
	uses: auguwu/[email protected]
	with:
	token: ${{secrets.GITHUB_TOKEN}}

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