test: Show bad error for dep_name/feature_name on 2024

Author: epage

tests/testsuite/features.rs

@@ -1847,6 +1847,63 @@ fn features_option_given_twice() {
     p.cargo("check --features a --features b").run();
 }
 
+#[cargo_test(nightly, reason = "edition2024 is not stable")]
+fn strong_dep_feature_edition2024() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                cargo-features = ["edition2024"]
+                [package]
+                name = "foo"
+                version = "0.1.0"
+                edition = "2024"
+
+                [features]
+                optional_dep = ["optional_dep/foo"]
+
+                [dependencies]
+                optional_dep = { path = "optional_dep", optional = true }
+            "#,
+        )
+        .file(
+            "src/main.rs",
+            r#"
+               fn main() {}
+            "#,
+        )
+        .file(
+            "optional_dep/Cargo.toml",
+            r#"
+            [package]
+            name = "optional_dep"
+            [features]
+            foo = []
+"#,
+        )
+        .file(
+            "optional_dep/src/lib.rs",
+            r#"
+"#,
+        )
+        .build();
+
+    p.cargo("metadata")
+        .masquerade_as_nightly_cargo(&["edition2024"])
+        .with_status(101)
+        .with_stderr_data(str![[r#"
+[ERROR] feature `optional_dep` includes `optional_dep/foo`, but `optional_dep` is not a dependency
+ --> Cargo.toml:9:32
+  |
+9 |                 optional_dep = ["optional_dep/foo"]
+  |                                ^^^^^^^^^^^^^^^^^^^^
+  |
+[ERROR] failed to parse manifest at `[ROOT]/foo/Cargo.toml`
+
+"#]])
+        .run();
+}
+
 #[cargo_test]
 fn multi_multi_features() {
     let p = project()