Drop honggfuzz arbitrary dependency to meet MSRV

Author: TheBlueMatt

fuzz/Cargo.toml

@@ -22,7 +22,7 @@ lightning = { path = "../lightning", features = ["regex"] }
 lightning-rapid-gossip-sync = { path = "../lightning-rapid-gossip-sync" }
 bitcoin = { version = "0.29.0", features = ["secp-lowmemory"] }
 hex = "0.3"
-honggfuzz = { version = "0.5", optional = true }
+honggfuzz = { version = "0.5", optional = true, default-features = false }
 libfuzzer-sys = { version = "0.4", optional = true }
 
 [build-dependencies]

fuzz/ci-fuzz.sh

@@ -13,7 +13,7 @@ rm *_target.rs
 [ "$(git diff)" != "" ] && exit 1
 popd
 
-cargo install --color always --force honggfuzz
+cargo install --color always --force honggfuzz --no-default-features
 sed -i 's/lto = true//' Cargo.toml
 HFUZZ_BUILD_ARGS="--features honggfuzz_fuzz" cargo --color always hfuzz build
 for TARGET in src/bin/*.rs; do