ci: fix nightly workflow (4 longstanding failures)

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The nightly workflow has failed every run since it was added. Fix the
four distinct issues so it can actually exercise the slow checks:

- cargo-mutants: drop bogus `--in-diff-base ""` flag (never existed in
  cargo-mutants; v27 rejects it).
- fuzz smoke: pin `--target x86_64-unknown-linux-gnu`. Binstall ships a
  musl-static cargo-fuzz binary whose default target inherits its own
  triple, and libfuzzer's sanitizer is incompatible with `crt-static`.
- miri: move multi-module filters after `--`. `cargo test` only accepts
  one TESTNAME positional; libtest accepts multiple substring filters.
- stateright random_large: add `target_state_count(1_000_000)` so the
  simulation actually terminates instead of looping past the 30 min CI
  timeout. The comment already claimed "up to 10⁶ states".

Also refreshes fuzz/Cargo.lock, regenerated by the local verification
build (was stale vs. parent deps).

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This commit is contained in:

swaits committed 2026-05-13 09:52:52 -06:00

1 parent 2f40c81c3a

commit 2c28dd77b4

3 files changed

+616 -449

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