liblog: deny warnings in doctests

mk/tests.mk

@@ -25,7 +25,8 @@ $(eval $(call RUST_CRATE,collectionstest))
 TEST_TARGET_CRATES = $(filter-out core rustc_unicode alloc_system libc \
 		     		  alloc_jemalloc,$(TARGET_CRATES)) \
 			collectionstest coretest
-TEST_DOC_CRATES = $(DOC_CRATES) arena flate fmt_macros getopts graphviz
+TEST_DOC_CRATES = $(DOC_CRATES) arena flate fmt_macros getopts graphviz \
+                log
 TEST_HOST_CRATES = $(filter-out rustc_typeck rustc_borrowck rustc_resolve \
 		   		rustc_trans rustc_lint,\
                      $(HOST_CRATES))

src/liblog/lib.rs

@@ -13,6 +13,7 @@
 //! # Examples
 //!
 //! ```
+//! # #![feature(rustc_private)]
 //! #[macro_use] extern crate log;
 //!
 //! fn main() {
@@ -167,7 +168,8 @@
 #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
        html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
        html_root_url = "https://doc.rust-lang.org/nightly/",
-       html_playground_url = "https://play.rust-lang.org/")]
+       html_playground_url = "https://play.rust-lang.org/",
+       test(attr(deny(warnings))))]
 #![deny(missing_docs)]
 
 #![feature(box_syntax)]

src/liblog/macros.rs

@@ -19,6 +19,7 @@
 /// # Examples
 ///
 /// ```
+/// # #![feature(rustc_private)]
 /// #[macro_use] extern crate log;
 ///
 /// fn main() {
@@ -67,6 +68,7 @@ macro_rules! log {
 /// # Examples
 ///
 /// ```
+/// # #![feature(rustc_private)]
 /// #[macro_use] extern crate log;
 ///
 /// fn main() {
@@ -92,6 +94,7 @@ macro_rules! error {
 /// # Examples
 ///
 /// ```
+/// # #![feature(rustc_private)]
 /// #[macro_use] extern crate log;
 ///
 /// fn main() {
@@ -116,6 +119,7 @@ macro_rules! warn {
 /// # Examples
 ///
 /// ```
+/// # #![feature(rustc_private)]
 /// #[macro_use] extern crate log;
 ///
 /// fn main() {
@@ -142,6 +146,7 @@ macro_rules! info {
 /// # Examples
 ///
 /// ```
+/// # #![feature(rustc_private)]
 /// #[macro_use] extern crate log;
 ///
 /// fn main() {
@@ -165,9 +170,10 @@ macro_rules! debug {
 /// # Examples
 ///
 /// ```
+/// # #![feature(rustc_private)]
 /// #[macro_use] extern crate log;
 ///
-/// struct Point { x: int, y: int }
+/// struct Point { x: i32, y: i32 }
 /// fn some_expensive_computation() -> Point { Point { x: 1, y: 2 } }
 ///
 /// fn main() {