deps: Update Arbitrary to 1.0; libfuzzer-sys to 0.4.0; wasm-smith to 0.4.0

crates/fuzzing/Cargo.toml

@@ -9,7 +9,7 @@ license = "Apache-2.0 WITH LLVM-exception"
 
 [dependencies]
 anyhow = "1.0.22"
-arbitrary = { version = "0.4.1", features = ["derive"] }
+arbitrary = { version = "1.0.0", features = ["derive"] }
 env_logger = "0.8.1"
 log = "0.4.8"
 rayon = "1.2.1"
@@ -18,7 +18,7 @@ wasmprinter = "0.2.23"
 wasmtime = { path = "../wasmtime" }
 wasmtime-wast = { path = "../wast" }
 wasm-encoder = "0.4"
-wasm-smith = "0.3.1"
+wasm-smith = "0.4.0"
 wasmi = "0.7.0"
 
 [dev-dependencies]

crates/fuzzing/src/generators.rs

@@ -102,8 +102,8 @@ pub struct SpecTest {
     pub contents: &'static str,
 }
 
-impl Arbitrary for SpecTest {
-    fn arbitrary(u: &mut Unstructured) -> arbitrary::Result<Self> {
+impl<'a> Arbitrary<'a> for SpecTest {
+    fn arbitrary(u: &mut Unstructured<'a>) -> arbitrary::Result<Self> {
         // NB: this does get a uniform value in the provided range.
         let i = u.int_in_range(0..=FILES.len() - 1)?;
         let (file, contents) = FILES[i];

crates/fuzzing/src/generators/api.rs

@@ -79,8 +79,8 @@ pub struct ApiCalls {
     pub calls: Vec<ApiCall>,
 }
 
-impl Arbitrary for ApiCalls {
-    fn arbitrary(input: &mut Unstructured) -> arbitrary::Result<Self> {
+impl<'a> Arbitrary<'a> for ApiCalls {
+    fn arbitrary(input: &mut Unstructured<'a>) -> arbitrary::Result<Self> {
         crate::init_fuzzing();
 
         let swarm = Swarm::arbitrary(input)?;