Fix build error that assigning to `&T` is undefined behavior #45

	on:
	push:
	branches: [ staging, trying, master ]
	pull_request:

	name: CI

	jobs:
	ci-linux:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	rust: [stable, nightly]
	target: [x86_64-unknown-linux-gnu, riscv32imac-unknown-none-elf]
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.rust }}
	override: true
	- name: Install Rust target
	run: rustup target install --toolchain=${{ matrix.rust }} ${{ matrix.target }}

	- name: Check code
	run: cargo check --target ${{ matrix.target }}

	- name: Check rt feature
	run: cargo check --target ${{ matrix.target }} --features rt

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