detect another kind of broken manifest

Author: Skgland

src/prepare.rs

@@ -154,7 +154,9 @@ fn run_command(cmd: Command) -> anyhow::Result<()> {
             || line.contains("no matching package named")
         {
             missing_deps = true;
-        } else if line.contains("failed to parse manifest at") {
+        } else if line.contains("failed to parse manifest at")
+            || line.contains("error: invalid table header")
+        {
             broken_deps = true;
         }
     };

tests/buildtest/mod.rs

@@ -268,7 +268,7 @@ test_prepare_error_stderr!(
     "failed to parse the version requirement `0.11\t` for dependency `parking_lot`"
 );
 
-test_prepare_unknown_err!(
+test_prepare_error_stderr!(
     test_invalid_cargotoml_syntax_deps,
     "invalid-cargotoml-syntax-deps",
     BrokenDependencies,