Install pytorch on github CI. #173

	name: CI
	on:
	push: { branches: ["master", "main"] }
	pull_request: { branches: "*" }

	jobs:
	build_and_test:
	name: Build and test
	runs-on: ubuntu-latest
	steps:
	- name: Install pytorch
	run: pip3 install torch torchvision --index-url https://download.pytorch.org/whl/cpu

	- name: Checkout code
	uses: actions/checkout@master

	- uses: actions/cache@v2
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: ${{ runner.os }}-cargo

	- name: Build
	uses: actions-rs/cargo@v1
	env:
	LIBTORCH_USE_PYTORCH: 1
	with:
	command: build
	args: --release --features full --color=always

	- name: Clippy
	uses: actions-rs/clippy-check@v1
	env:
	LIBTORCH_USE_PYTORCH: 1
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	args: --release --features full

	- name: Test
	uses: actions-rs/cargo@v1
	env:
	LIBTORCH_USE_PYTORCH: 1
	with:
	command: test
	args: --release --features full --color=always

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