diff --git a/.ignore b/.ignore
index f10e171d3172..a66bf215742f 100644
--- a/.ignore
+++ b/.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
diff --git a/src/cargo/core/compiler/fingerprint/dep-lib-cargo_test_macro b/src/cargo/core/compiler/fingerprint/dep-lib-cargo_test_macro
new file mode 100644
index 000000000000..ed3bd89441c9
Binary files /dev/null and b/src/cargo/core/compiler/fingerprint/dep-lib-cargo_test_macro differ
diff --git a/src/cargo/core/compiler/fingerprint/dep_info.rs b/src/cargo/core/compiler/fingerprint/dep_info.rs
index 35cb322d2f22..aefd608fcddb 100644
--- a/src/cargo/core/compiler/fingerprint/dep_info.rs
+++ b/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());
+    }
 }