Remove commit lines, which were added by accident

Author: Tim

src/lib.rs

@@ -364,11 +364,11 @@ macro_rules! quick_error {
         $(#[$meta])*
         $($strdef)* $strname ( $internal );
 
-        impl ::core::fmt::Display for $strname {
-            fn fmt(&self, f: &mut ::core::fmt::Formatter)
-                -> ::core::fmt::Result
+        impl ::std::fmt::Display for $strname {
+            fn fmt(&self, f: &mut ::std::fmt::Formatter)
+                -> ::std::fmt::Result
             {
-                ::core::fmt::Display::fmt(&self.0, f)
+                ::std::fmt::Display::fmt(&self.0, f)
             }
         }
 
@@ -643,9 +643,9 @@ macro_rules! quick_error {
         #[allow(renamed_and_removed_lints)]
         #[allow(unused_doc_comment)]
         #[allow(unused_doc_comments)]
-        impl ::core::fmt::Display for $name {
-            fn fmt(&self, fmt: &mut ::core::fmt::Formatter)
-                -> ::core::fmt::Result
+        impl ::std::fmt::Display for $name {
+            fn fmt(&self, fmt: &mut ::std::fmt::Formatter)
+                -> ::std::fmt::Result
             {
                 match *self {
                     $(
@@ -712,17 +712,17 @@ macro_rules! quick_error {
     (FIND_DISPLAY_IMPL $name:ident $item:ident: $imode:tt
         { display($self_:tt) -> ($( $exprs:tt )*) $( $tail:tt )*}
     ) => {
-        |quick_error!(IDENT $self_): &$name, f: &mut ::core::fmt::Formatter| { write!(f, $( $exprs )*) }
+        |quick_error!(IDENT $self_): &$name, f: &mut ::std::fmt::Formatter| { write!(f, $( $exprs )*) }
     };
     (FIND_DISPLAY_IMPL $name:ident $item:ident: $imode:tt
         { display($pattern:expr) $( $tail:tt )*}
     ) => {
-        |_, f: &mut ::core::fmt::Formatter| { write!(f, $pattern) }
+        |_, f: &mut ::std::fmt::Formatter| { write!(f, $pattern) }
     };
     (FIND_DISPLAY_IMPL $name:ident $item:ident: $imode:tt
         { display($pattern:expr, $( $exprs:tt )*) $( $tail:tt )*}
     ) => {
-        |_, f: &mut ::core::fmt::Formatter| { write!(f, $pattern, $( $exprs )*) }
+        |_, f: &mut ::std::fmt::Formatter| { write!(f, $pattern, $( $exprs )*) }
     };
     (FIND_DISPLAY_IMPL $name:ident $item:ident: $imode:tt
         { $t:tt $( $tail:tt )*}
@@ -734,7 +734,7 @@ macro_rules! quick_error {
     (FIND_DISPLAY_IMPL $name:ident $item:ident: $imode:tt
         { }
     ) => {
-        |self_: &$name, f: &mut ::core::fmt::Formatter| {
+        |self_: &$name, f: &mut ::std::fmt::Formatter| {
             write!(f, "{}", ::std::error::Error::description(self_))
         }
     };