move the fuzzer to its own crate

milli/Cargo.toml

@@ -65,13 +65,6 @@ maplit = "1.0.2"
 md5 = "0.7.0"
 rand = {version = "0.8.5", features = ["small_rng"] }
 
-# fuzzing
-arbitrary = { version = "1.3.0", features = ["derive"] }
-fastrand = "1.9.0"
-
-[target.'cfg(fuzzing)'.dev-dependencies]
-fuzzcheck = "0.12.1"
-
 [features]
 all-tokenizations = ["charabia/default"]
 

milli/tests/fuzz.rs

@@ -52,7 +52,9 @@ enum Operation {
 #[derive(Debug, Arbitrary)]
 struct Batch([Operation; 5]);
 
-fn main() {
+#[test]
+#[ignore]
+fn fuzz() {
     let mut options = EnvOpenOptions::new();
     options.map_size(1024 * 1024 * 1024 * 1024);
     let _tempdir = TempDir::new().unwrap();