Fuzz (nightly) #52

	name: Fuzz (nightly)

	# cargo-fuzz needs nightly + Linux + libFuzzer, so it runs on a schedule rather
	# than per-commit (the stable `just check` gate does not build the fuzz crate).
	on:
	schedule:
	- cron: "0 3 * * *" # nightly 03:00 UTC
	workflow_dispatch:

	env:
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: 1

	jobs:
	fuzz:
	name: cargo-fuzz smoke
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	target: [digital_link_parse]
	steps:
	- uses: actions/checkout@v7
	# The trailing comment is load-bearing, not decoration. `rust-toolchain`
	# keeps one branch per channel and bakes that channel into the `toolchain`
	# input's default on each branch — this SHA defaults to `nightly`, the
	# one every other workflow pins defaults to `stable`. Collapsing the two
	# to a single SHA would switch this job to stable with nothing to notice
	# it, and cargo-fuzz needs nightly.
	- uses: dtolnay/rust-toolchain@4360b52568e2003a75bf9bc1d59f33a8e3fc893c # nightly
	- uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2
	with:
	workspaces: fuzz
	- name: Install cargo-fuzz
	run: cargo install cargo-fuzz --locked
	- name: Fuzz ${{ matrix.target }} (60s smoke)
	run: cargo +nightly fuzz run ${{ matrix.target }} -- -max_total_time=60 -max_len=4096
	- name: Upload crash artifacts
	if: failure()
	uses: actions/upload-artifact@v4
	with:
	name: fuzz-artifacts-${{ matrix.target }}
	path: fuzz/artifacts/

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