diff --git a/src/libarena/lib.rs b/src/libarena/lib.rs
index 0f4a5d16e1759..265721c749755 100644
--- a/src/libarena/lib.rs
+++ b/src/libarena/lib.rs
@@ -26,6 +26,7 @@
 #![feature(alloc)]
 #![feature(core_intrinsics)]
 #![feature(dropck_eyepatch)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(raw_vec_internals)]
 #![cfg_attr(test, feature(test))]
 
diff --git a/src/librustc_asan/lib.rs b/src/librustc_asan/lib.rs
index 0c78fd74a234e..b3ba86ad8a4b3 100644
--- a/src/librustc_asan/lib.rs
+++ b/src/librustc_asan/lib.rs
@@ -10,6 +10,7 @@
 
 #![sanitizer_runtime]
 #![feature(alloc_system)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(sanitizer_runtime)]
 #![feature(staged_api)]
 #![no_std]
diff --git a/src/librustc_errors/lib.rs b/src/librustc_errors/lib.rs
index 82546747755f9..1666369e422ca 100644
--- a/src/librustc_errors/lib.rs
+++ b/src/librustc_errors/lib.rs
@@ -16,6 +16,7 @@
 #![allow(unused_attributes)]
 #![feature(range_contains)]
 #![cfg_attr(unix, feature(libc))]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(optin_builtin_traits)]
 
 extern crate atty;
diff --git a/src/librustc_passes/lib.rs b/src/librustc_passes/lib.rs
index 41f1e7829658a..d62cb00923f70 100644
--- a/src/librustc_passes/lib.rs
+++ b/src/librustc_passes/lib.rs
@@ -18,6 +18,7 @@
        html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
        html_root_url = "https://doc.rust-lang.org/nightly/")]
 
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(rustc_diagnostic_macros)]
 
 #[macro_use]
diff --git a/src/librustc_plugin/lib.rs b/src/librustc_plugin/lib.rs
index 348aa6a7cef4c..67f53a67313f7 100644
--- a/src/librustc_plugin/lib.rs
+++ b/src/librustc_plugin/lib.rs
@@ -64,6 +64,7 @@
        html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
        html_root_url = "https://doc.rust-lang.org/nightly/")]
 
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(rustc_diagnostic_macros)]
 
 #[macro_use] extern crate syntax;
diff --git a/src/librustc_privacy/lib.rs b/src/librustc_privacy/lib.rs
index b6dd0e8b9b21d..fcb1b65014be0 100644
--- a/src/librustc_privacy/lib.rs
+++ b/src/librustc_privacy/lib.rs
@@ -12,6 +12,7 @@
        html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
        html_root_url = "https://doc.rust-lang.org/nightly/")]
 
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(rustc_diagnostic_macros)]
 
 #![recursion_limit="256"]
diff --git a/src/librustc_resolve/lib.rs b/src/librustc_resolve/lib.rs
index d96967725f45e..4a2361055d730 100644
--- a/src/librustc_resolve/lib.rs
+++ b/src/librustc_resolve/lib.rs
@@ -13,6 +13,7 @@
       html_root_url = "https://doc.rust-lang.org/nightly/")]
 
 #![feature(crate_visibility_modifier)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(rustc_diagnostic_macros)]
 #![feature(slice_sort_by_cached_key)]
 
diff --git a/src/librustc_save_analysis/lib.rs b/src/librustc_save_analysis/lib.rs
index 703489f56c1fd..a76e575ebf4f6 100644
--- a/src/librustc_save_analysis/lib.rs
+++ b/src/librustc_save_analysis/lib.rs
@@ -12,6 +12,7 @@
        html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
        html_root_url = "https://doc.rust-lang.org/nightly/")]
 #![feature(custom_attribute)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![allow(unused_attributes)]
 
 #![recursion_limit="256"]
diff --git a/src/librustc_traits/lib.rs b/src/librustc_traits/lib.rs
index d17cf35f1816a..ba6b2c57bfac6 100644
--- a/src/librustc_traits/lib.rs
+++ b/src/librustc_traits/lib.rs
@@ -16,6 +16,7 @@
 #![feature(extern_prelude)]
 #![feature(iterator_find_map)]
 #![feature(in_band_lifetimes)]
+#![cfg_attr(not(stage0), feature(nll))]
 
 #![recursion_limit="256"]
 
diff --git a/src/librustc_tsan/lib.rs b/src/librustc_tsan/lib.rs
index 0c78fd74a234e..b3ba86ad8a4b3 100644
--- a/src/librustc_tsan/lib.rs
+++ b/src/librustc_tsan/lib.rs
@@ -10,6 +10,7 @@
 
 #![sanitizer_runtime]
 #![feature(alloc_system)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(sanitizer_runtime)]
 #![feature(staged_api)]
 #![no_std]