diff --git a/src/libstd/panicking.rs b/src/libstd/panicking.rs
index 3f9a1c30ef4..8561ecd9c4c 100644
--- a/src/libstd/panicking.rs
+++ b/src/libstd/panicking.rs
@@ -206,7 +206,7 @@ pub fn on_panic(obj: &(Any+Send), file: &'static str, line: u32) {
     // debugger provides a useable stacktrace.
     if panics >= 3 {
         util::dumb_print(format_args!("thread panicked while processing \
-                                       panic. aborting."));
+                                       panic. aborting.\n"));
         unsafe { intrinsics::abort() }
     }
 
@@ -232,7 +232,7 @@ pub fn on_panic(obj: &(Any+Send), file: &'static str, line: u32) {
         // just abort. In the future we may consider resuming
         // unwinding or otherwise exiting the thread cleanly.
         util::dumb_print(format_args!("thread panicked while panicking. \
-                                       aborting."));
+                                       aborting.\n"));
         unsafe { intrinsics::abort() }
     }
 }
diff --git a/src/libstd/sys/common/util.rs b/src/libstd/sys/common/util.rs
index 979f1f48669..b7a6b7650d5 100644
--- a/src/libstd/sys/common/util.rs
+++ b/src/libstd/sys/common/util.rs
@@ -35,12 +35,12 @@ pub fn dumb_print(args: fmt::Arguments) {
 }
 
 pub fn abort(args: fmt::Arguments) -> ! {
-    dumb_print(format_args!("fatal runtime error: {}", args));
+    dumb_print(format_args!("fatal runtime error: {}\n", args));
     unsafe { intrinsics::abort(); }
 }
 
 #[allow(dead_code)] // stack overflow detection not enabled on all platforms
 pub unsafe fn report_overflow() {
-    dumb_print(format_args!("\nthread '{}' has overflowed its stack",
+    dumb_print(format_args!("\nthread '{}' has overflowed its stack\n",
                             thread::current().name().unwrap_or("<unknown>")));
 }
diff --git a/src/libstd/sys/windows/mod.rs b/src/libstd/sys/windows/mod.rs
index 7e4db3d89a3..16c4ae8257c 100644
--- a/src/libstd/sys/windows/mod.rs
+++ b/src/libstd/sys/windows/mod.rs
@@ -53,7 +53,7 @@ fn oom_handler() -> ! {
         // is no need to check the result of GetStdHandle.
         c::WriteFile(c::GetStdHandle(c::STD_ERROR_HANDLE),
                      msg.as_ptr() as c::LPVOID,
-                     msg.len() as DWORD,
+                     msg.len() as c::DWORD,
                      ptr::null_mut(),
                      ptr::null_mut());
         intrinsics::abort();