Rollup merge of #126064 - GuillaumeGomez:migrate-run-make-manual-crate-name, r=jieyouxu

Migrate `run-make/manual-crate-name` to `rmake.rs`

Part of #121876.

r? ``@jieyouxu``

Author: workingjubilee

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -135,7 +135,6 @@ run-make/lto-readonly-lib/Makefile
 run-make/lto-smoke-c/Makefile
 run-make/macos-deployment-target/Makefile
 run-make/macos-fat-archive/Makefile
-run-make/manual-crate-name/Makefile
 run-make/manual-link/Makefile
 run-make/many-crates-but-no-match/Makefile
 run-make/metadata-dep-info/Makefile

tests/run-make/manual-crate-name/Makefile

@@ -0,0 +1,6 @@
+use run_make_support::{rustc, tmp_dir};
+
+fn main() {
+    rustc().input("bar.rs").crate_name("foo").run();
+    assert!(tmp_dir().join("libfoo.rlib").is_file());
+}