Explicitly ignore logging results

Author: austinbes

ci/logging/app/src/main.rs

@@ -14,12 +14,12 @@ fn main() -> ! {
     #[export_name = "Hello, world!"]
     static A: u8 = 0;
 
-    writeln!(hstdout, "{:#x}", &A as *const u8 as usize);
+    let _ = writeln!(hstdout, "{:#x}", &A as *const u8 as usize);
 
     #[export_name = "Goodbye"]
     static B: u8 = 0;
 
-    writeln!(hstdout, "{:#x}", &B as *const u8 as usize);
+    let _ = writeln!(hstdout, "{:#x}", &B as *const u8 as usize);
 
     debug::exit(debug::EXIT_SUCCESS);
 

ci/logging/app3/src/main.rs

@@ -27,9 +27,9 @@ fn main() -> ! {
     let hstdout = hio::hstdout().unwrap();
     let mut logger = Logger { hstdout };
 
-    log!(logger, "Hello, world!");
+    let _ = log!(logger, "Hello, world!");
 
-    log!(logger, "Goodbye");
+    let _ = log!(logger, "Goodbye");
 
     debug::exit(debug::EXIT_SUCCESS);
 

ci/logging/app4/src/main.rs

@@ -15,9 +15,9 @@ fn main() -> ! {
     let hstdout = hio::hstdout().unwrap();
     let mut logger = Logger { hstdout };
 
-    warn!(logger, "Hello, world!"); // <- CHANGED!
+    let _ = warn!(logger, "Hello, world!"); // <- CHANGED!
 
-    error!(logger, "Goodbye"); // <- CHANGED!
+    let _ = error!(logger, "Goodbye"); // <- CHANGED!
 
     debug::exit(debug::EXIT_SUCCESS);