Update to Rust 2021, MSRV 1.59 #5

	# We use `actions-rs` for most of our actions
	#
	# This file is for the main tests. clippy & rustfmt are seperate workflows
	#
	# This is mostly copied from slog-rs repo ;)
	on: [push, pull_request]
	name: Cargo Test

	env:
	CARGO_TERM_COLOR: always
	# has a history of occasional bugs (especially on old versions)
	#
	# the ci is free so we might as well use it ;)
	CARGO_INCREMENTAL: 0


	# Tested versions:
	# 1. stable
	# 2. nightly
	# 3. Minimum Supported Rust Version (MSRV)

	jobs:
	test:
	# Only run on PRs if the source branch is on someone else's repo
	if: ${{ github.event_name != 'pull_request' \|\| github.repository != github.event.pull_request.head.repo.full_name }}

	runs-on: ubuntu-latest
	strategy:
	fail-fast: false # Even if one job fails we still want to see the other ones
	matrix:
	# 1.59 is MSRV. Keep this in sync with Cargo.toml
	rust: [1.59, stable, nightly]
	# NOTE: We don't really have any "feature combos" to test.
	#
	# We just have default features and nothing else :)

	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	override: true
	# NOTE: This crate is simple enough we don't need seperate check/test actions
	- name: Test
	run: \|
	cargo test --verbose

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