build(deps): update syn requirement from 1.0.17 to 2.0.18 #30

	name: CI

	on:
	pull_request:
	push:
	branches:
	- master

	jobs:
	build_and_test:
	name: Build and test
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest]
	rust: [nightly, beta, stable]

	steps:
	- uses: actions/checkout@master

	- name: Cache cargo registry
	uses: actions/cache@v1
	with:
	path: ~/.cargo/registry
	key: ${{ runner.os }}-${{ runner.rust }}-cargo-registry-${{ hashFiles('**/Cargo.toml') }}

	- name: Cache cargo index
	uses: actions/cache@v1
	with:
	path: ~/.cargo/git
	key: ${{ runner.os }}-${{ runner.rust }}-cargo-index-${{ hashFiles('**/Cargo.toml') }}

	- name: Cache cargo build
	uses: actions/cache@v1
	with:
	path: target
	key: ${{ runner.os }}-${{ runner.rust }}-cargo-build-target-${{ hashFiles('**/Cargo.toml') }}

	- name: build
	run: cargo build

	- name: tests
	run: cargo test --all

	check_fmt_and_docs:
	name: Checking fmt and docs
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master

	- name: setup
	run: \|
	rustup component add rustfmt
	rustc --version

	- name: fmt
	run: cargo fmt --all -- --check

	- name: Docs
	run: cargo doc

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