Rollup merge of #53219 - memoryruins:nll_bootstrap_3, r=nikomatsakis

[nll] enable feature(nll) on various crates for bootstrap: part 3

#53172

Author: kennytm

src/libfmt_macros/lib.rs

@@ -20,6 +20,8 @@
        html_playground_url = "https://play.rust-lang.org/",
        test(attr(deny(warnings))))]
 
+#![cfg_attr(not(stage0), feature(nll))]
+
 pub use self::Piece::*;
 pub use self::Position::*;
 pub use self::Alignment::*;

src/libpanic_abort/lib.rs

@@ -24,6 +24,7 @@
 
 #![feature(core_intrinsics)]
 #![feature(libc)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(panic_runtime)]
 #![feature(staged_api)]
 #![feature(rustc_attrs)]

src/libpanic_unwind/lib.rs

@@ -34,6 +34,7 @@
 #![feature(core_intrinsics)]
 #![feature(lang_items)]
 #![feature(libc)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(panic_unwind)]
 #![feature(raw)]
 #![feature(staged_api)]

src/librustc_apfloat/lib.rs

@@ -45,6 +45,7 @@
       html_root_url = "https://doc.rust-lang.org/nightly/")]
 #![forbid(unsafe_code)]
 
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(try_from)]
 // See librustc_cratesio_shim/Cargo.toml for a comment explaining this.
 #[allow(unused_extern_crates)]

src/librustc_cratesio_shim/src/lib.rs

@@ -11,5 +11,7 @@
 // See Cargo.toml for a comment explaining this crate.
 #![allow(unused_extern_crates)]
 
+#![cfg_attr(not(stage0), feature(nll))]
+
 extern crate bitflags;
 extern crate log;

src/librustc_driver/lib.rs

@@ -20,6 +20,7 @@
 
 #![feature(box_syntax)]
 #![cfg_attr(unix, feature(libc))]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(option_replace)]
 #![feature(quote)]
 #![feature(rustc_diagnostic_macros)]

src/librustc_incremental/lib.rs

@@ -14,6 +14,7 @@
       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(specialization)]
 
 #![recursion_limit="256"]

src/librustc_target/lib.rs

@@ -23,6 +23,7 @@
 
 #![feature(box_syntax)]
 #![feature(const_fn)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(slice_patterns)]
 
 #[macro_use]

src/libsyntax_pos/lib.rs

@@ -21,6 +21,7 @@
 #![feature(const_fn)]
 #![feature(crate_visibility_modifier)]
 #![feature(custom_attribute)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![feature(non_exhaustive)]
 #![feature(optin_builtin_traits)]
 #![feature(specialization)]

src/libterm/lib.rs

@@ -50,6 +50,7 @@
 #![cfg_attr(windows, feature(libc))]
 // Handle rustfmt skips
 #![feature(custom_attribute)]
+#![cfg_attr(not(stage0), feature(nll))]
 #![allow(unused_attributes)]
 
 use std::io::prelude::*;