Add #[must_use] to remaining std functions (A-N)

5 files changed, 14 insertions, 14 deletions

diff --git a/src/test/ui/rust-2018/uniform-paths/redundant.rs b/src/test/ui/rust-2018/uniform-paths/redundant.rs
index 2d306eb920c..fd7fc7fbd41 100644
--- a/src/test/ui/rust-2018/uniform-paths/redundant.rs
+++ b/src/test/ui/rust-2018/uniform-paths/redundant.rs
@@ -13,8 +13,8 @@ mod bar {
 }
 
 fn main() {
-    io::stdout();
-    self::std::io::stdout();
-    foo::my_std::io::stdout();
-    bar::std::io::stdout();
+    let _ = io::stdout();
+    let _ = self::std::io::stdout();
+    let _ = foo::my_std::io::stdout();
+    let _ = bar::std::io::stdout();
 }
diff --git a/src/test/ui/uniform-paths/basic-nested.rs b/src/test/ui/uniform-paths/basic-nested.rs
index e4e8b32c70e..dcf0eb646f3 100644
--- a/src/test/ui/uniform-paths/basic-nested.rs
+++ b/src/test/ui/uniform-paths/basic-nested.rs
@@ -44,10 +44,10 @@ mod bar {
 
 fn main() {
     foo::Foo(());
-    foo::std_io::stdout();
+    let _ = foo::std_io::stdout();
     foo::local_io(());
-    io::stdout();
-    bar::io::stdout();
+    let _ = io::stdout();
+    let _ = bar::io::stdout();
     bar::std();
     bar::std!();
 
@@ -56,6 +56,6 @@ fn main() {
         // scope is allowed, when both resolve to the same definition.
         use std::io;
         use io::stdout;
-        stdout();
+        let _ = stdout();
     }
 }
diff --git a/src/test/ui/uniform-paths/basic.rs b/src/test/ui/uniform-paths/basic.rs
index 4e2e2dedef6..ce611a7cacf 100644
--- a/src/test/ui/uniform-paths/basic.rs
+++ b/src/test/ui/uniform-paths/basic.rs
@@ -20,7 +20,7 @@ use self::std::io as local_io;
 
 fn main() {
     Foo(());
-    std_io::stdout();
+    let _ = std_io::stdout();
     local_io(());
 
     {
@@ -28,6 +28,6 @@ fn main() {
         // scope is allowed, when both resolve to the same definition.
         use ::std::io as std_io;
         use std_io::stdout;
-        stdout();
+        let _ = stdout();
     }
 }
diff --git a/src/test/ui/uniform-paths/macros-nested.rs b/src/test/ui/uniform-paths/macros-nested.rs
index a62a28bb94d..175ccd34e98 100644
--- a/src/test/ui/uniform-paths/macros-nested.rs
+++ b/src/test/ui/uniform-paths/macros-nested.rs
@@ -46,8 +46,8 @@ mod bar {
 
 fn main() {
     foo::Foo(());
-    foo::std_io::stdout();
+    let _ = foo::std_io::stdout();
     foo::local_io(());
-    io::stdout();
-    bar::io::stdout();
+    let _ = io::stdout();
+    let _ = bar::io::stdout();
 }
diff --git a/src/test/ui/uniform-paths/macros.rs b/src/test/ui/uniform-paths/macros.rs
index 31b809f0cfd..bf512b30560 100644
--- a/src/test/ui/uniform-paths/macros.rs
+++ b/src/test/ui/uniform-paths/macros.rs
@@ -31,6 +31,6 @@ m2!();
 
 fn main() {
     Foo(());
-    std_io::stdout();
+    let _ = std_io::stdout();
     local_io(());
 }