diff --git a/components/script/lib.rs b/components/script/lib.rs
index 0d85e377cf4..48f42cd7a38 100644
--- a/components/script/lib.rs
+++ b/components/script/lib.rs
@@ -11,8 +11,9 @@
 #![deny(unsafe_code)]
 #![allow(non_snake_case)]
 #![doc = "The script crate contains all matters DOM."]
-#![plugin(script_plugins)]
 #![cfg_attr(not(feature = "unrooted_must_root_lint"), allow(unknown_lints))]
+#![allow(deprecated)] // FIXME: Can we make `allow` only apply to the `plugin` crate attribute?
+#![plugin(script_plugins)]
 
 #[macro_use]
 extern crate bitflags;
@@ -47,37 +48,66 @@ extern crate servo_atoms;
 #[macro_use]
 extern crate style;
 
+#[warn(deprecated)]
 #[macro_use]
 mod task;
+#[warn(deprecated)]
 mod body;
+#[warn(deprecated)]
 pub mod clipboard_provider;
+#[warn(deprecated)]
 mod devtools;
+#[warn(deprecated)]
 pub mod document_loader;
+#[warn(deprecated)]
 #[macro_use]
 mod dom;
+#[warn(deprecated)]
 mod canvas_state;
+#[warn(deprecated)]
 mod compartments;
+#[warn(deprecated)]
 pub mod fetch;
+#[warn(deprecated)]
 mod image_listener;
+#[warn(deprecated)]
 mod init;
+#[warn(deprecated)]
 mod layout_image;
+#[warn(deprecated)]
 mod mem;
+#[warn(deprecated)]
 mod microtask;
+#[warn(deprecated)]
 mod network_listener;
+#[warn(deprecated)]
 pub mod script_runtime;
+#[warn(deprecated)]
 #[allow(unsafe_code)]
 pub mod script_thread;
+#[warn(deprecated)]
 mod serviceworker_manager;
+#[warn(deprecated)]
 mod serviceworkerjob;
+#[warn(deprecated)]
 mod stylesheet_loader;
+#[warn(deprecated)]
 mod stylesheet_set;
+#[warn(deprecated)]
 mod task_manager;
+#[warn(deprecated)]
 mod task_queue;
+#[warn(deprecated)]
 mod task_source;
+#[warn(deprecated)]
 pub mod test;
+#[warn(deprecated)]
 pub mod textinput;
+#[warn(deprecated)]
 mod timers;
+#[warn(deprecated)]
 mod unpremultiplytable;
+#[warn(deprecated)]
 mod webdriver_handlers;
 
 pub use init::{init, init_service_workers};
diff --git a/components/script_plugins/lib.rs b/components/script_plugins/lib.rs
index ea00a58848d..740ae9f35ad 100644
--- a/components/script_plugins/lib.rs
+++ b/components/script_plugins/lib.rs
@@ -27,7 +27,7 @@ extern crate syntax;
 use rustc::hir::def_id::DefId;
 use rustc::hir::intravisit as visit;
 use rustc::hir::{self, ExprKind, HirId};
-use rustc::lint::{LateContext, LateLintPass, LintArray, LintContext, LintPass};
+use rustc::lint::{LateContext, LateLintPass, LintContext, LintPass};
 use rustc::ty;
 use rustc_driver::plugin::Registry;
 use syntax::feature_gate::AttributeType::Whitelisted;
@@ -36,13 +36,20 @@ use syntax::source_map::{ExpnKind, MacroKind, Span};
 use syntax::symbol::sym;
 use syntax::symbol::Symbol;
 
+#[allow(deprecated)]
 #[plugin_registrar]
 pub fn plugin_registrar(reg: &mut Registry) {
+    registrar(reg)
+}
+
+fn registrar(reg: &mut Registry) {
     let symbols = Symbols::new();
     reg.register_attribute(symbols.allow_unrooted_interior, Whitelisted);
     reg.register_attribute(symbols.allow_unrooted_in_rc, Whitelisted);
     reg.register_attribute(symbols.must_root, Whitelisted);
-    reg.register_late_lint_pass(Box::new(UnrootedPass::new(symbols)));
+    reg.lint_store.register_lints(&[&UNROOTED_MUST_ROOT]);
+    reg.lint_store
+        .register_late_pass(move || Box::new(UnrootedPass::new(symbols.clone())));
 }
 
 declare_lint!(
@@ -165,10 +172,6 @@ impl LintPass for UnrootedPass {
     fn name(&self) -> &'static str {
         "ServoUnrootedPass"
     }
-
-    fn get_lints(&self) -> LintArray {
-        lint_array!(UNROOTED_MUST_ROOT)
-    }
 }
 
 impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnrootedPass {
@@ -360,7 +363,7 @@ fn match_def_path(cx: &LateContext, def_id: DefId, path: &[Symbol]) -> bool {
     other
         .into_iter()
         .zip(path)
-        .all(|(e, p)| e.data.as_interned_str().as_symbol() == *p)
+        .all(|(e, p)| e.data.as_symbol() == *p)
 }
 
 fn in_derive_expn(span: Span) -> bool {
diff --git a/rust-toolchain b/rust-toolchain
index 6c1c2de2e23..fc6d4ce593e 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2019-09-28
+nightly-2019-10-26