小编Gab*_*rez的帖子

• Windows 10
• rustup 1.23.1 (3df2264a9 2020-11-30)
• 默认 rustc 1.50.0 (cb75ad5db 2021-02-10)
• 项目 rustc 1.52.0-nightly (4a8b6f708 2021-03-11)
• 火箭=“0.4.4”

我正在尝试使用 Rocket 构建一个 Rust 项目，但在编译时我总是遇到此错误，即使在成功覆盖项目的工具链之后也是如此：

D:\GitHub\Learning-Rust\poke_api> rustup override set nightly
info: using existing install for 'nightly-x86_64-pc-windows-msvc'
info: override toolchain for 'D:\GitHub\Learning-Rust\poke_api' set to 'nightly-x86_64-pc-windows-msvc'

  nightly-x86_64-pc-windows-msvc unchanged - rustc 1.52.0-nightly (4a8b6f708 2021-03-11)

PS D:\GitHub\Learning-Rust\poke_api> cargo build
   Compiling winapi v0.3.9
   Compiling serde_derive v1.0.124
   Compiling rocket v0.4.7
   Compiling pear_codegen v0.1.4
   Compiling rocket_codegen v0.4.7
   Compiling proc-macro2 v1.0.24
   Compiling pq-sys v0.4.6
   Compiling aho-corasick v0.6.10
   Compiling serde_json v1.0.64
error: …

我是 vue 新手，我试图将我的一个组件更改为新语法来学习 vue 3。该组件在更改之前工作得很好，所以我一定错过了一些东西。

这是母组件：

<template>
  <div class="user-profile">
    <div>
      <div class="user-profile__user-panel">
        <h1 class="user-profile__username">@{{ user.username }}</h1>
        <div v-if="user.isAdmin" class="user-profile__admin-badge">Admin</div>
        <div class="user-profile__follower-count">
          <string><b>Followers: </b></string> {{ followers }}
        </div>
      </div>
      <NewTwoot @create-twoot="createNewTwoot" />
    </div>
    <div class="user-profile__twoots-wraper">
      <TwootItem
        v-for="twoot in user.twoots"
        :username="user.username"
        :key="twoot.id"
        :twoot="twoot"
        @favorit="toggleFavorite(id)"
      />
    </div>
  </div>
</template>

<script>
import TwootItem from "./TwootItem.vue";

export default {
  name: "UserProfile",
  components: {
    TwootItem,
  },
  data() {
    return {
      followers: 0,
      user: {
        id: 1,
        username: "GabrielBG",
        firstName: "Gabriel",
        lastName: "Gutierrez",
        email: "gbg@scienceiscoll.com",
        isAdmin: true, …