Update ui tests for rustc nightly-2018-11-29

Author: dtolnay

tests/ui/missing_colon.stderr

@@ -2,7 +2,7 @@ error: unexpected end of macro invocation
   --> $DIR/missing_colon.rs:13:5
    |
 13 |     json!({ "a" });
-   |     ^^^^^^^^^^^^^^^ unexpected end of macro invocation
+   |     ^^^^^^^^^^^^^^^ missing tokens in macro arguments
    |
    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
 

tests/ui/missing_value.stderr

@@ -2,7 +2,7 @@ error: unexpected end of macro invocation
   --> $DIR/missing_value.rs:13:5
    |
 13 |     json!({ "a" : });
-   |     ^^^^^^^^^^^^^^^^^ unexpected end of macro invocation
+   |     ^^^^^^^^^^^^^^^^^ missing tokens in macro arguments
    |
    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
 

tests/ui/parse_expr.stderr

@@ -2,7 +2,7 @@ error: unexpected end of macro invocation
   --> $DIR/parse_expr.rs:13:5
    |
 13 |     json!({ "a" : ~ });
-   |     ^^^^^^^^^^^^^^^^^^^ unexpected end of macro invocation
+   |     ^^^^^^^^^^^^^^^^^^^ missing tokens in macro arguments
    |
    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
 

tests/ui/unexpected_after_array_element.stderr

@@ -2,7 +2,7 @@ error: no rules expected the token `=>`
   --> $DIR/unexpected_after_array_element.rs:13:18
    |
 13 |     json!([ true => ]);
-   |                  ^^ no rules expected the token `=>`
+   |                  ^^ no rules expected this token in macro call
 
 error: aborting due to previous error
 

tests/ui/unexpected_after_map_entry.stderr

@@ -2,7 +2,7 @@ error: no rules expected the token `=>`
   --> $DIR/unexpected_after_map_entry.rs:13:23
    |
 13 |     json!({ "k": true => });
-   |                       ^^ no rules expected the token `=>`
+   |                       ^^ no rules expected this token in macro call
 
 error: aborting due to previous error
 

tests/ui/unexpected_colon.stderr

@@ -2,7 +2,7 @@ error: no rules expected the token `:`
   --> $DIR/unexpected_colon.rs:13:13
    |
 13 |     json!({ : true });
-   |             ^ no rules expected the token `:`
+   |             ^ no rules expected this token in macro call
 
 error: aborting due to previous error
 

tests/ui/unexpected_comma.stderr

@@ -2,7 +2,7 @@ error: no rules expected the token `,`
   --> $DIR/unexpected_comma.rs:13:17
    |
 13 |     json!({ "a" , "b": true });
-   |                 ^ no rules expected the token `,`
+   |                 ^ no rules expected this token in macro call
 
 error: aborting due to previous error