fix: only serialize PTY spawn on musl, not entire lifetime #2

	name: Musl Stability Test

	permissions:
	contents: read

	on:
	workflow_dispatch:
	push:
	branches:
	- claude/reproduce-flaky-failure-RuwlG

	concurrency:
	group: musl-stability-${{ github.sha }}
	cancel-in-progress: true

	defaults:
	run:
	shell: bash

	jobs:
	test-musl:
	name: 'Musl Run #${{ matrix.run }}'
	runs-on: ubuntu-latest
	container:
	image: node:22-alpine3.21
	options: --shm-size=256m
	env:
	RUSTFLAGS: --cfg tokio_unstable -D warnings
	strategy:
	fail-fast: false
	matrix:
	run: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
	steps:
	- name: Install Alpine dependencies
	shell: sh {0}
	run: apk add --no-cache bash curl git musl-dev gcc g++ python3

	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	persist-credentials: false
	submodules: true

	- name: Install rustup
	run: \|
	curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \| sh -s -- -y --default-toolchain none
	echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"

	- name: Install Rust toolchain
	run: rustup show

	- name: Install pnpm and Node tools
	run: \|
	corepack enable
	pnpm install

	- run: cargo test

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