Rust

Pin dependencies in CI #13

	name: Rust

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Update Rustup
	run: rustup self update
	- uses: actions/checkout@v2
	- name: Setup rust-toolchain
	# This looks retarded but it's correct
	# see https://github.com/rust-lang/rustup/issues/2070#issuecomment-545096849
	run: rustup show
	- name: Pin thiserror
	run: cargo update -p thiserror --precise 1.0.25
	- name: Pin serde
	run: cargo update -p serde --precise 1.0.126
	- name: Pin serde_derive
	run: cargo update -p serde_derive --precise 1.0.136
	- name: Pin unicode-segmentation
	run: cargo update -p unicode-segmentation --precise 1.7.1
	- name: Pin proc-macro2
	run: cargo update -p proc-macro2 --precise 1.0.27
	- name: Build
	run: cargo build --verbose
	- name: Run unit tests
	run: cargo +stable test --verbose
	- name: Clippy
	run: cargo +stable clippy -- -D clippy::all

Provide feedback