Fix compile issues and some refactoring #247

	name: Rust

	on:
	push:
	branches:
	- main
	pull_request: {}

	jobs:
	formatting:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: nightly
	override: true
	components: rustfmt
	- name: Ensure Standard Formatting
	run: cargo fmt -- --check

	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	- name: Ensure docs are buildable
	run: cargo doc --no-deps
	- name: Build
	run: cargo build

	build-no-std:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	- name: Build without default features
	run: cargo build --no-default-features --features=wasmer-sys

	build-wasm:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	- name: Install WASM
	run: rustup target add wasm32-unknown-unknown
	- name: Build for WASM target
	run: cargo build --no-default-features --features=wasmer-js --target wasm32-unknown-unknown

	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	- name: Run tests
	run: RUST_MIN_STACK=8388608 cargo test --release --all --no-fail-fast

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