升级到.Net Core 2.0之后，打包期间出现“执行Lambda打包的未知错误”错误

Question

我在.Net Core Lambda项目中将目标框架从netcoreapp1.0更改为netcoreapp2.0。

打包lambda时，执行命令时出错dotnet lambda package -c Release -f netcoreapp2.0：

执行Lambda打包时发生未知错误：找不到路径的一部分

dotnet lambda package -c Release -f netcoreapp2.0

Executing publish command

Deleted previous publish folder

... invoking 'dotnet publish', working folder 'C:\Source\\Project.Lambda\bin\Release\netcoreapp2.0\publish'

... publish: Microsoft (R) Build Engine version 15.5.180.51428 for .NET Core

... publish: Copyright (C) Microsoft Corporation. All rights reserved.

... publish:   Restore completed in 32.96 ms for C:\Source\Project\Project.csproj.

... publish:   Restore completed in 50.69 ms for C:\Source\Project.Lambda\Project.Lambda.csproj.

... publish:   Restore completed in 80.61 ms for C:\Source\Project.Lambda\Project.Lambda.csproj.

... publish:   Project -> C:\Source\Project\bin\Release\netcoreapp2.0\Project.dll

... publish:   Project.Lambda -> C:\Source\Project.Lambda\bin\Release\netcoreapp2.0\Project.Lambda.dll

... publish:   Project.Lambda -> C:\Source\Project.Lambda\bin\Release\netcoreapp2.0\publish\

Flattening platform specific dependencies

... flatten: runtime/unix/lib/_._