Fix nested error handling #736

	name: Checks

	on: [push, pull_request]

	jobs:
	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: nightly
	components: clippy
	override: true
	- uses: actions-rs/clippy-check@v1
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	args: --all --features=ntex/tokio

	fmt:
	name: Rustfmt
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- stable
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.rust }}
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

Provide feedback