[WIP] subtle: breaking changes for a hypothetical v3.0 #37

	on: [push, pull_request]

	name: Test

	jobs:
	test:
	name: cargo test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust:
	- stable
	- beta
	- nightly
	- 1.60.0
	steps:
	- name: checkout
	uses: actions/checkout@v2
	- name: toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.rust }}
	target: thumbv7em-none-eabi
	override: true
	- name: test
	uses: actions-rs/cargo@v1
	with:
	command: test
	- name: nightly
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --features nightly
	- name: no-default-features
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --no-default-features
	- name: std
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --no-default-features --features std
	- name: std const-generics
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --no-default-features --features "std const-generics"
	- name: std i128
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --no-default-features --features "std i128"
	- name: std i128 const-generics
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --no-default-features --features "std i128 const-generics"
	- name: no std build
	uses: actions-rs/cargo@v1
	with:
	command: build
	args: --no-default-features --target thumbv7em-none-eabi

Provide feedback