Port `piecrust` to use `crumbles` #759

	on:
	pull_request:
	push:
	branches:
	- main

	name: build

	jobs:
	analyze:
	name: Dusk analyzer
	runs-on: core
	steps:
	- uses: actions/checkout@v2
	- name: Install latest nightly toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly
	override: true
	- name: Install cargo-dusk-analyzer
	uses: actions-rs/cargo@v1
	with:
	command: install
	args: --git https://github.com/dusk-network/cargo-dusk-analyzer
	- name: Run `cargo dusk-analyzer`
	uses: actions-rs/cargo@v1
	with:
	command: dusk-analyzer

	test:
	name: Make test
	runs-on: core
	steps:
	- uses: actions/checkout@v2
	- name: Install latest nightly toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly
	override: true
	- name: Install WASM target
	run: rustup target add wasm32-unknown-unknown
	- name: Add `rust-src` component
	run: rustup component add rust-src
	- name: Run `make test`
	run: make test

	fmt:
	name: Rustfmt
	runs-on: core
	steps:
	- uses: actions/checkout@v2
	- name: Install latest nightly toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly
	override: true
	- run: rustup component add rustfmt
	- name: Run `cargo fmt`
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

	clippy:
	name: Clippy
	runs-on: core
	steps:
	- uses: actions/checkout@v2
	- name: Install latest nightly toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly
	override: true
	- run: rustup component add clippy
	- name: Run `cargo clippy`
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: -- -D warnings

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