Update

compiler/cargo.vim

@@ -38,10 +38,12 @@ augroup END
 " Ignore general cargo progress messages
 CompilerSet errorformat+=
             \%-G%\\s%#Downloading%.%#,
+            \%-G%\\s%#Checking%.%#,
             \%-G%\\s%#Compiling%.%#,
             \%-G%\\s%#Finished%.%#,
             \%-G%\\s%#error:\ Could\ not\ compile\ %.%#,
             \%-G%\\s%#To\ learn\ more\\,%.%#,
+            \%-G%\\s%#For\ more\ information\ about\ this\ error\\,%.%#,
             \%-Gnote:\ Run\ with\ \`RUST_BACKTRACE=%.%#,
             \%.%#panicked\ at\ \\'%m\\'\\,\ %f:%l:%c
 

compiler/pip_compile.vim

@@ -0,0 +1,49 @@
+if polyglot#init#is_disabled(expand('<sfile>:p'), 'requirements', 'compiler/pip_compile.vim')
+  finish
+endif
+
+" the Requirements File Format syntax support for Vim
+" Version: 1.7.1
+" Author:  raimon <raimon49@hotmail.com>
+" License: MIT LICENSE
+" The MIT License (MIT)
+"
+" Copyright (c) 2015 raimon
+"
+" Permission is hereby granted, free of charge, to any person obtaining a copy
+" of this software and associated documentation files (the "Software"), to deal
+" in the Software without restriction, including without limitation the rights
+" to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+" copies of the Software, and to permit persons to whom the Software is
+" furnished to do so, subject to the following conditions:
+"
+" The above copyright notice and this permission notice shall be included in all
+" copies or substantial portions of the Software.
+"
+" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+" AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+" OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+" SOFTWARE.
+
+if exists('b:current_compiler')
+    finish
+endif
+let b:current_compiler = 'pip_compile'
+
+let s:save_cpoptions = &cpoptions
+set cpoptions&vim
+
+if exists(':CompilerSet') != 2
+    command -nargs=* CompilerSet setlocal <args>
+endif
+CompilerSet makeprg=pip-compile\ %:S
+CompilerSet errorformat=%ECould\ not\ find\ a\ version\ that\ matches\ %o\ (from\ -r\ %f\ (line\ %l)),
+            \%C%m,
+            \%Z,
+            \%-G%.%#
+let &cpoptions = s:save_cpoptions
+unlet s:save_cpoptions
+" vim: et sw=4 ts=4 sts=4: