test(depinfo): ensure v0 to fail without crashing

On macOS it doesn't seem to OOM-kill our program.
On Linux we do get a OOM-killed.

.ignore

@@ -1,6 +1,7 @@
 # Output generated from src/doc/man
 #
 # The goal is to help people find the right file to edit
+src/cargo/core/compiler/fingerprint/dep-lib-cargo_test_macro
 src/doc/man/generated_txt
 src/doc/src/commands/*
 src/etc/man

src/cargo/core/compiler/fingerprint/dep_info.rs

@@ -667,4 +667,11 @@ mod encoded_dep_info {
     fn round_trip_with_checksums() {
         gen_test(true);
     }
+
+    #[test]
+    #[cfg_attr(target_os = "linux", ignore = "OOM on Linux")]
+    fn parse_v0_fingerprint_dep_info() {
+        let data = include_bytes!("dep-lib-cargo_test_macro");
+        dbg!(EncodedDepInfo::parse(&data[..]).is_none());
+    }
 }