all: remove trailing spaces

src/len_zero.rs

@@ -95,8 +95,8 @@ fn is_self_sig(sig: &MethodSig) -> bool {
         false } else { sig.decl.inputs.len() == 1 }
 }
 
-fn check_cmp(cx: &LateContext, span: Span, left: &Expr, right: &Expr, op: &str) {    
+fn check_cmp(cx: &LateContext, span: Span, left: &Expr, right: &Expr, op: &str) {
-    // check if we are in an is_empty() method 
+    // check if we are in an is_empty() method
     if let Some(name) = get_item_name(cx, left) {
         if name.as_str() == "is_empty" { return; }
     }

tests/compile-fail/bit_masks.rs

@@ -27,7 +27,7 @@ fn main() {
 
     x & 192 == 128; // ok, tests for bit 7 and not bit 6
     x & 0xffc0 == 0xfe80; // ok
-    
+
     // this also now works with constants
     x & THREE_BITS == 8; //~ERROR incompatible bit mask
     x | EVEN_MORE_REDIRECTION < 7; //~ERROR incompatible bit mask

tests/compile-fail/cast.rs

@@ -45,7 +45,7 @@ fn main() {
     1usize as f32; //~ERROR casting usize to f32 causes a loss of precision (usize is 32 or 64 bits wide, but f32's mantissa is only 23 bits wide)
     1isize as i32; //~ERROR casting isize to i32 may truncate the value on targets with 64-bit wide pointers
     1isize as u32; //~ERROR casting isize to u32 may lose the sign of the value
-                  //~^ERROR casting isize to u32 may truncate the value on targets with 64-bit wide pointers       
+                  //~^ERROR casting isize to u32 may truncate the value on targets with 64-bit wide pointers
     1usize as u32; //~ERROR casting usize to u32 may truncate the value on targets with 64-bit wide pointers
     1usize as i32; //~ERROR casting usize to i32 may truncate the value on targets with 64-bit wide pointers
                   //~^ERROR casting usize to i32 may wrap around the value on targets with 32-bit wide pointers
@@ -60,4 +60,4 @@ fn main() {
     1u32 as usize; // Should not trigger any lint
     1i32 as isize; // Neither should this
     1i32 as usize; //~ERROR casting i32 to usize may lose the sign of the value
-}
+}

tests/compile-fail/unicode.rs

@@ -17,7 +17,7 @@ fn canon() {
 #[deny(non_ascii_literal)]
 fn uni() {
     print!("Üben!"); //~ERROR literal non-ASCII character detected
-    print!("\u{DC}ben!"); // this is okay 
+    print!("\u{DC}ben!"); // this is okay
 }
 
 fn main() {