syntax: Remove support for #[should_fail]

This attribute has been deprecated in favor of #[should_panic]. This also
updates rustdoc to no longer accept the `should_fail` directive and instead
renames it to `should_panic`.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/doc/trpl/documentation.md b/src/doc/trpl/documentation.md
index 54821e3ce30..43b49c09ae4 100644
--- a/src/doc/trpl/documentation.md
+++ b/src/doc/trpl/documentation.md
@@ -352,7 +352,7 @@ Here’s an example of documenting a macro:
 /// # }
 /// ```
 ///
-/// ```should_fail
+/// ```should_panic
 /// # #[macro_use] extern crate foo;
 /// # fn main() {
 /// panic_unless!(true == false, “I’m broken.”);