我正在尝试在 vsts 托管代理上构建一个 .net 核心 webapi 项目。 我在多个项目中使用相同的yaml，它工作正常：
- task: DotNetCoreCLI@1
displayName: Restore
inputs:
command: restore
projects: '$(ProjectName).Backend/*.csproj'
但是，今天，在一个新项目中，dotnet restore给了我以下错误：
2018-06-23T09:23:21.5607282Z ##[section]Starting: Restore
2018-06-23T09:23:21.5610673Z ==============================================================================
2018-06-23T09:23:21.5610898Z Task : .NET Core
2018-06-23T09:23:21.5611078Z Description : Build, test and publish using dotnet core command-line.
2018-06-23T09:23:21.5611445Z Version : 1.0.2
2018-06-23T09:23:21.5612188Z Author : Microsoft Corporation
2018-06-23T09:23:21.5612456Z Help : [More Information](https://go.microsoft.com/fwlink/?linkid=832194)
2018-06-23T09:23:21.5613271Z ==============================================================================
2018-06-23T09:23:22.0071300Z [command]"C:Program Filesdotnetdotnet.exe" restore D:a1sMyApp.BackendMyApp.Backend.csproj
2018-06-23T09:23:24.2324967Z Restoring packages for D:a1sMyApp.BackendMyApp.Backend.csproj...
2018-06-23T09:23:24.5505741Z Restoring packages for D:a1sMyApp.DtosMyApp.Dtos.csproj...
2018-06-23T09:23:24.5506660Z C:Program Filesdotnetsdk2.1.300NuGet.targets(114,5): error : The local source 'D:a1sPackageCache' doesn't exist. [D:a1sMyApp.BackendMyApp.Backend.csproj]
2018-06-23T09:23:25.8083235Z ##[error]Error: C:Program Filesdotnetdotnet.exe failed with return code: 1
2018-06-23T09:23:25.8094330Z ##[error]Dotnet command failed with non-zero exit code on the following projects : D:a1sMyApp.BackendMyApp.Backend.csproj
2018-06-23T09:23:25.8105780Z ##[section]Finishing: Restore
虽然我不明白为什么我在该项目上而不是在其他项目上出现错误，但一旦我将 vsts 任务升级到DotNetCoreCLI@2，它就消失了。