fuzz: keep nightly jobs alive past lint and oracle blips - #324
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block_wire now compiles rbitcoin-net; nightly -D warnings fails on fetch_update. Wrap every cargo-fuzz rustc with -A warnings (append). -jobs=1 forked a worker that hit libFuzzer's 30s timeout (exit 77) during bitcoind spawn. Run in-process, timeout 90s. Treat Core TCP errors as RPC skips with a 20-streak liveness gate instead of exit-2 on the first dead submit after thousands of comparisons.
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Why both jobs died on workflow_dispatch (#323 on master)
block_wire: the isolated fuzz package now path-depends onrbitcoin-net. Nightly inherits workspacewarnings = deny, and current nightly deprecatesAtomicUsize::fetch_update→ compile fail. This job never compiled net before.block_differential: compiled (jobRUSTFLAGS=-A warnings).-jobs=1still forks a worker; spawn+first input exceeded-timeout=30(exit 77). A later worker thenoracle deadafter ~9660 compares on a single TCP glitch (process::exit(2)).Fix (no workflow YAML)
scripts/fuzz-rustc-allow-warnings.sh:exec rustc "$@" -A warningson everycargo fuzzinvoke (wire + differential).-jobs;-timeout=90for differential (bitcoind spawn on first input).Connection: close; Core TCP errors are RPC skips; harness exit only after 20 dead liveness probes.Re-dispatch
fuzzon master after merge, or on this branch.