Update

compiler/cargo.vim

@@ -4,21 +4,25 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rust') == -1
 " Compiler:         Cargo Compiler
 " Maintainer:       Damien Radtke <damienradtke@gmail.com>
 " Latest Revision:  2014 Sep 24
+" For bugs, patches and license go to https://github.com/rust-lang/rust.vim
 
 if exists('current_compiler')
-  finish
+	finish
 endif
 runtime compiler/rustc.vim
 let current_compiler = "cargo"
 
+let s:save_cpo = &cpo
+set cpo&vim
+
 if exists(':CompilerSet') != 2
-    command -nargs=* CompilerSet setlocal <args>
+	command -nargs=* CompilerSet setlocal <args>
 endif
 
 if exists('g:cargo_makeprg_params')
-    execute 'CompilerSet makeprg=cargo\ '.escape(g:cargo_makeprg_params, ' \|"').'\ $*'
+	execute 'CompilerSet makeprg=cargo\ '.escape(g:cargo_makeprg_params, ' \|"').'\ $*'
 else
-    CompilerSet makeprg=cargo\ $*
+	CompilerSet makeprg=cargo\ $*
 endif
 
 " Ignore general cargo progress messages
@@ -27,6 +31,11 @@ CompilerSet errorformat+=
 			\%-G%\\s%#Compiling%.%#,
 			\%-G%\\s%#Finished%.%#,
 			\%-G%\\s%#error:\ Could\ not\ compile\ %.%#,
-			\%-G%\\s%#To\ learn\ more\\,%.%#
+			\%-G%\\s%#To\ learn\ more\\,%.%#,
+			\%-Gnote:\ Run\ with\ \`RUST_BACKTRACE=%.%#,
+			\%.%#panicked\ at\ \\'%m\\'\\,\ %f:%l
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
 
 endif