change the type for heap_start to u64. #1345

	on: [push, pull_request]

	name: Format and Clippy

	env:
	AS: nasm
	AR: llvm-ar
	CC: clang

	jobs:
	clippy:
	name: Clippy
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2
	with:
	submodules: recursive

	# Install first since it's needed to build NASM
	- name: Install LLVM and Clang
	uses: KyleMayes/install-llvm-action@v1
	with:
	version: "10.0"
	directory: ${{ runner.temp }}/llvm

	- name: install NASM
	uses: ilammy/setup-nasm@v1

	- name: Install toolchain with clippy available
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly-2022-11-15
	override: true
	components: clippy

	- name: Preparation Work
	run: make preparation

	- name: Run cargo clippy
	run: cargo clippy -- -A clippy::redundant_field_names

	rustfmt:
	name: Format
	runs-on: ubuntu-20.04
	steps:

	# Install first since it's needed to build NASM
	- name: Install LLVM and Clang
	uses: KyleMayes/install-llvm-action@v1
	with:
	version: "10.0"
	directory: ${{ runner.temp }}/llvm

	- name: install NASM
	uses: ilammy/setup-nasm@v1

	- name: Checkout sources
	uses: actions/checkout@v2
	with:
	submodules: recursive

	- name: Install toolchain with rustfmt available
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly-2022-11-15
	override: true
	components: rustfmt

	- name: Preparation Work
	run: make preparation

	- name: Run cargo check
	uses: actions-rs/cargo@v1
	with:
	command: check

	- name: Run cargo fmt
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

Provide feedback