Update dependencies

autoload/cargo/quickfix.vim

@@ -0,0 +1,30 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rust') == -1
+  
+function! cargo#quickfix#CmdPre() abort
+    if &filetype ==# 'rust' && get(b:, 'current_compiler', '') ==# 'cargo'
+        " Preserve the current directory, and 'lcd' to the nearest Cargo file.
+        let b:rust_compiler_cargo_qf_has_lcd = haslocaldir()
+        let b:rust_compiler_cargo_qf_prev_cd = getcwd()
+        let b:rust_compiler_cargo_qf_prev_cd_saved = 1
+        let l:nearest = fnamemodify(cargo#nearestRootCargo(0), ':h')
+        execute 'lchdir! '.l:nearest
+    else
+        let b:rust_compiler_cargo_qf_prev_cd_saved = 0
+    endif
+endfunction
+
+function! cargo#quickfix#CmdPost() abort
+    if b:rust_compiler_cargo_qf_prev_cd_saved
+        " Restore the current directory.
+        if b:rust_compiler_cargo_qf_has_lcd
+            execute 'lchdir! '.b:rust_compiler_cargo_qf_prev_cd
+        else
+            execute 'chdir! '.b:rust_compiler_cargo_qf_prev_cd
+        endif
+        let b:rust_compiler_cargo_qf_prev_cd_saved = 0
+    endif
+endfunction
+
+" vim: set et sw=4 sts=4 ts=8:
+
+endif