rust-installer is naughty

classes/rust-installer.bbclass

@@ -0,0 +1,15 @@
+# Rust installer isn't very nice and drops a bunch of junk in our filesystem,
+# clean it up after the install.
+
+rust_installer_do_install () {
+	rm ${D}/${libdir}/rustlib/install.log
+	rm ${D}/${libdir}/rustlib/rust-installer-version
+	rm ${D}/${libdir}/rustlib/uninstall.sh
+	rm ${D}/${libdir}/rustlib/components
+}
+
+do_install_append () {
+	rust_installer_do_install
+}
+
+EXPORT_FUNCTIONS rust_installer_do_install