diff --git a/src/test/kotlin/org/hiero/gradle/test/RustTasksTest.kt b/src/test/kotlin/org/hiero/gradle/test/RustTasksTest.kt
index bc0b118..c750b24 100644
--- a/src/test/kotlin/org/hiero/gradle/test/RustTasksTest.kt
+++ b/src/test/kotlin/org/hiero/gradle/test/RustTasksTest.kt
@@ -9,21 +9,31 @@ import org.junit.jupiter.api.Test
 
 class RustTasksTest {
 
-    @Test
-    fun `installRustToolchains installs all toolchains defined in CargoToolchain`() {
-        val p = GradleProject().withMinimalStructure()
-        val rustToolchainsDir = p.file("product/module-a/build/rust-toolchains/rustup/toolchains")
-        p.moduleBuildFile("""plugins { id("org.hiero.gradle.feature.rust") }""")
-        p.toolchainVersionsFile(
-            """
+    private val toolchainVersions =
+        """
             jdk=17.0.12
             rust=1.81.0
             cargo-zigbuild=0.19.5
             zig=0.13.0
             xwin=0.6.5
         """
-                .trimIndent()
-        )
+            .trimIndent()
+
+    private val cargoToml =
+        """
+        [package]
+        name = "test"
+        version = "0.0.1"
+        edition = "2021"
+    """
+            .trimIndent()
+
+    @Test
+    fun `installRustToolchains installs all toolchains defined in CargoToolchain`() {
+        val p = GradleProject().withMinimalStructure()
+        val rustToolchainsDir = p.file("product/module-a/build/rust-toolchains/rustup/toolchains")
+        p.moduleBuildFile("""plugins { id("org.hiero.gradle.feature.rust") }""")
+        p.toolchainVersionsFile(toolchainVersions)
 
         val result = p.run("installRustToolchains")
 
@@ -39,4 +49,51 @@ class RustTasksTest {
         assertThat(result.task(":module-a:installRustToolchains")?.outcome)
             .isEqualTo(TaskOutcome.SUCCESS)
     }
+
+    @Test
+    fun `rust build results are taken FROM-CACHE and then installRustToolchains can be skipped`() {
+        val push = GradleProject().withMinimalStructure()
+        val pull = GradleProject().withMinimalStructure()
+        push.settingsFile.appendText(
+            """buildCache.local.directory = File(${push.file("build-cache").absolutePath})"""
+        )
+        pull.settingsFile.appendText(
+            """buildCache.local.directory = File(${push.file("build-cache").absolutePath})"""
+        )
+        push.moduleBuildFile("""plugins { id("org.hiero.gradle.feature.rust") }""")
+        pull.moduleBuildFile("""plugins { id("org.hiero.gradle.feature.rust") }""")
+        push.toolchainVersionsFile(toolchainVersions)
+        pull.toolchainVersionsFile(toolchainVersions)
+        push.file("product/module-a/src/main/rust/main.rs", "fn main() {}")
+        pull.file("product/module-a/src/main/rust/main.rs", "fn main() {}")
+        push.file("product/module-a/Cargo.toml", cargoToml)
+        pull.file("product/module-a/Cargo.toml", cargoToml)
+
+        val pushResult = push.run("assemble --build-cache")
+        val pullResult = pull.run("assemble --build-cache -PskipInstallRustToolchains")
+
+        assertThat(pushResult.task(":module-a:installRustToolchains")?.outcome)
+            .isEqualTo(TaskOutcome.SUCCESS)
+        assertThat(pullResult.task(":module-a:installRustToolchains")).isNull()
+        assertThat(pushResult.task(":module-a:cargoBuildAarch64Darwin")?.outcome)
+            .isEqualTo(TaskOutcome.SUCCESS)
+        assertThat(pullResult.task(":module-a:cargoBuildAarch64Darwin")?.outcome)
+            .isEqualTo(TaskOutcome.FROM_CACHE)
+        assertThat(pushResult.task(":module-a:cargoBuildAarch64Linux")?.outcome)
+            .isEqualTo(TaskOutcome.SUCCESS)
+        assertThat(pullResult.task(":module-a:cargoBuildAarch64Linux")?.outcome)
+            .isEqualTo(TaskOutcome.FROM_CACHE)
+        assertThat(pushResult.task(":module-a:cargoBuildX86Darwin")?.outcome)
+            .isEqualTo(TaskOutcome.SUCCESS)
+        assertThat(pullResult.task(":module-a:cargoBuildX86Darwin")?.outcome)
+            .isEqualTo(TaskOutcome.FROM_CACHE)
+        assertThat(pushResult.task(":module-a:cargoBuildX86Linux")?.outcome)
+            .isEqualTo(TaskOutcome.SUCCESS)
+        assertThat(pullResult.task(":module-a:cargoBuildX86Linux")?.outcome)
+            .isEqualTo(TaskOutcome.FROM_CACHE)
+        assertThat(pushResult.task(":module-a:cargoBuildX86Windows")?.outcome)
+            .isEqualTo(TaskOutcome.SUCCESS)
+        assertThat(pullResult.task(":module-a:cargoBuildX86Windows")?.outcome)
+            .isEqualTo(TaskOutcome.FROM_CACHE)
+    }
 }
diff --git a/src/test/kotlin/org/hiero/gradle/test/fixtures/GradleProject.kt b/src/test/kotlin/org/hiero/gradle/test/fixtures/GradleProject.kt
index 07f46da..d0fede9 100644
--- a/src/test/kotlin/org/hiero/gradle/test/fixtures/GradleProject.kt
+++ b/src/test/kotlin/org/hiero/gradle/test/fixtures/GradleProject.kt
@@ -114,6 +114,8 @@ class GradleProject {
 
     fun help(): BuildResult = runner(listOf("help")).build()
 
+    fun assemble(): BuildResult = runner(listOf("assemble")).build()
+
     fun build(): BuildResult = runner(listOf("build")).build()
 
     fun qualityCheck(): BuildResult = runner(listOf("qualityCheck")).build()