Fix `Vec<Vec<u8>>` and `std::backtrace::Backtrace` (#57) #241

	on: [push, pull_request]

	name: Nightly lints

	jobs:
	combo:
	name: Clippy + rustfmt (without features)
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install nightly toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly
	override: true
	components: clippy

	- name: Install stable toolchain (rustfmt)
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	components: rustfmt

	- name: Run cargo fmt without features
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	toolchain: stable
	args: --all -- --check

	- name: Run cargo clippy without features
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: -- -D warnings
	combo-with-feature:
	name: Clippy + rustfmt (with a feature)
	runs-on: ubuntu-latest
	strategy:
	matrix:
	features: ["catch-unwind", "zero-copy"]
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install nightly toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly
	override: true
	components: clippy

	- name: Install stable toolchain (rustfmt)
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	components: rustfmt

	- name: Run cargo fmt for feature ${{ matrix.features }}
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	toolchain: stable
	args: --all -- --check
	features: ${{ matrix.features }}

	- name: Run cargo clippy for feature ${{ matrix.features }}
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: -- -D warnings
	features: ${{ matrix.features }}

Provide feedback