Adjust wording when asking for bug report

This omits the reference to gist (which may confuse people not familiar
with gist.github.com), and moves the link to our issue tracker to its
own line, which makes copying easier (for those whose terminals don't
have a "ctrl+click to open link" feature).

Author: killercup

cargo-fix/src/cli.rs

@@ -10,6 +10,15 @@ use lock;
 use diagnostics::{Message, Server};
 use super::exit_with;
 
+static PLEASE_REPORT_THIS_BUG: &str = "\
+    This likely indicates a bug in either rustc or rustfix itself,\n\
+    and we would appreciate a bug report! You're likely to see \n\
+    a number of compiler warnings after this message which rustfix\n\
+    attempted to fix but failed. If you could open an issue at\n\
+    https://github.com/rust-lang-nursery/rustfix/issues\n\
+    quoting the full output of this command we'd be very appreciative!\n\n\
+";
+
 pub fn run() -> Result<(), Error> {
     let matches = App::new("Cargo Fix")
         .bin_name("cargo")
@@ -121,16 +130,7 @@ fn log_message(msg: &Message, stream: &mut StandardStream) -> Result<(), Error>
                 write!(stream, "\n")?;
 
             }
-            write!(
-                stream,
-                "This likely indicates a bug in either rustc or rustfix itself,\n\
-                 and we would appreciate a bug report! You're likely to see \n\
-                 a number of compiler warnings after this message which rustfix\n\
-                 attempted to fix but failed. If you could gist the full output\n\
-                 of this command to https://github.com/rust-lang-nursery/rustfix/issues\n\
-                 we'd be very appreciative!\n\n\
-                "
-            )?;
+            stream.write(PLEASE_REPORT_THIS_BUG.as_bytes())?;
         }
     }
 

cargo-fix/tests/all/broken_build.rs

@@ -127,9 +127,9 @@ fn broken_fixes_backed_out() {
                 This likely indicates a bug in either rustc or rustfix itself,\n\
                 and we would appreciate a bug report! You're likely to see \n\
                 a number of compiler warnings after this message which rustfix\n\
-                attempted to fix but failed. If you could gist the full output\n\
-                of this command to https://github.com/rust-lang-nursery/rustfix/issues\n\
-                we'd be very appreciative!\
+                attempted to fix but failed. If you could open an issue at\n\
+                https://github.com/rust-lang-nursery/rustfix/issues\n\
+                quoting the full output of this command we'd be very appreciative!\n\n\
             "
         )
         .stderr_not_contains("[FIXING]")