tests: Automatically detect Rust crates to test and also pass --verbose.

* FIXES #25560: https://bugs.torproject.org/25560.

src/test/include.am

@@ -360,4 +360,4 @@ EXTRA_DIST += \
 	src/test/test_workqueue_socketpair.sh
 
 test-rust:
-	$(TESTS_ENVIRONMENT) $(abs_top_srcdir)/src/test/test_rust.sh
+	$(TESTS_ENVIRONMENT) "$(abs_top_srcdir)/src/test/test_rust.sh"

src/test/test_rust.sh

@@ -1,20 +1,15 @@
 #!/bin/sh
 # Test all Rust crates
 
-crates="protover tor_util smartlist tor_allocate"
-
-exitcode=0
-
 set -e
 
-for crate in $crates; do
-    cd "${abs_top_builddir:-../../..}/src/rust"
-    CARGO_TARGET_DIR="${abs_top_builddir:-../../..}/src/rust/target" \
-      CARGO_HOME="${abs_top_builddir:-../../..}/src/rust" \
-      "${CARGO:-cargo}" test ${CARGO_ONLINE-"--frozen"} \
-      --manifest-path "${abs_top_srcdir:-.}/src/rust/${crate}/Cargo.toml" \
-	|| exitcode=1
-    cd -
-done
+CARGO_TARGET_DIR="${abs_top_builddir:-../../..}/src/rust/target" \
+    CARGO_HOME="${abs_top_builddir:-../../..}/src/rust" \
+    find "${abs_top_srcdir:-../../..}/src/rust" \
+    -mindepth 2 -maxdepth 2 \
+    -type f -name 'Cargo.toml' \
+    -exec "${CARGO:-cargo}" test --all-features ${CARGO_ONLINE-"--frozen"} \
+    --manifest-path '{}' \;
+
+exit $?
 
-exit $exitcode