add a test

Author: Eh2406

tests/testsuite/lockfile_compat.rs

@@ -836,3 +836,55 @@ source = "git+{url}#{sha}"
 
     assert_eq!(p.read_file("Cargo.lock"), lockfile);
 }
+
+#[cargo_test]
+fn bad_data_in_lockfile_error_meg() {
+    Package::new("bar", "0.0.1").publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "test"
+                version = "0.0.0"
+
+                [dependencies]
+                bar = "*"
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .file(
+            "Cargo.lock",
+            r#"# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "bar"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e1b9346248cf3391ead604c4407258d327c28e37209f6d56127598165165dda"
+
+[[package]]
+name = "test"
+version = "0.0.0"
+dependencies = [
+ "bar",
+]"#,
+        )
+        .build();
+    p.cargo("build")
+        .with_status(101)
+        .with_stderr(
+            "\
+[..]
+[ERROR] failed to select a version for the requirement `bar = \"*\"` (locked to 0.1.0)
+candidate versions found which didn't match: 0.0.1
+location searched: `dummy-registry` index (which is replacing registry `crates-io`)
+required by package `test v0.0.0 ([..])`
+perhaps a crate was updated and forgotten to be re-vendored?
+",
+        )
+        .run();
+}