rollup merge of #23752: alexcrichton/remove-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/libstd/process.rs b/src/libstd/process.rs
index 6a36ecefcf4..b4bd513e8f0 100644
--- a/src/libstd/process.rs
+++ b/src/libstd/process.rs
@@ -37,7 +37,7 @@ use thread;
 ///
 /// # Examples
 ///
-/// ```should_fail
+/// ```should_panic
 /// # #![feature(process)]
 ///
 /// use std::process::Command;