message: Fix zsh completion
diff: @@ -175,7 +175,7 @@ _cargo() {
  '--rev=[specific commit to use when installing from git]:commit' \
  '--root=[directory to install packages into]: :_directories' \
  '--tag=[tag to use when installing from git]:tag' \
  - '--version='[version to install from crates.io]:version' \
  + '--version=[version to install from crates.io]:version' \
  '--list[list all installed packages and their versions]' \
  '*: :_guard "^-*" "crate"'
  ;;
  