fix: improve error msg on calling `json` on void function #583

	name: Workspace Checks & Tests

	on:
	push:
	branches: [ main ]
	pull_request:

	env:
	CARGO_TERM_COLOR: always

	jobs:
	check:
	name: Clippy and fmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install stable toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	components: rustfmt, clippy
	- uses: Swatinem/rust-cache@v1
	- name: Check Formatting
	run: cargo fmt -- --check
	- name: Check Clippy
	run: cargo clippy --tests -- -Dclippy::all

	test:
	needs: check
	strategy:
	matrix:
	platform: [ubuntu-latest, macos-latest]
	toolchain: [stable]

	runs-on: ${{ matrix.platform }}
	steps:
	- uses: actions/checkout@v2
	- name: "${{ matrix.toolchain }}"
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.toolchain }}
	default: true
	- uses: Swatinem/rust-cache@v1
	- name: Add wasm32 target
	run: rustup target add wasm32-unknown-unknown
	- name: Check with stable features
	run: cargo check --verbose
	- name: Run tests with unstable features
	run: NEAR_RPC_TIMEOUT_SECS=100 cargo test --verbose --features unstable

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