asp.net核心 – dotnet cli – “检测包降级”

但是使用下面的project.json,我收到一个错误;

warn : Detected package downgrade: Microsoft.Dnx.Compilation.CSharp.Abstractions from 1.0.0-rc2-16553 to 1.0.0-rc2-16552

我不知道这是什么意思,还是如何解决这个问题.事情仍然下载,但这关系到我.

我正在使用以下内容：

DOTNET / CLI

.NET Command Line Tools (1.0.0-beta-001540)

Product Information:
 Version:     1.0.0-beta-001540
 Commit Sha:  6aeed1f52d

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.10586
 OS Platform: Windows
 Runtime Id:  win10-x64

dnvm列表

Active Version           Runtime Architecture OperatingSystem Alias
------ -------           ------- ------------ --------------- -----
       1.0.0-rc1-update1 clr     x64          win
       1.0.0-rc1-update1 clr     x86          win
       1.0.0-rc1-update1 coreclr x64          win
       1.0.0-rc1-update1 coreclr x86          win
       1.0.0-rc2-16551   clr     x86          win
  *    1.0.0-rc2-16551   coreclr x64          win             default
       1.0.0-rc2-16551   coreclr x86          win

nuget.config

<packageSources>
    <add key="aspnet-core" value="https://www.myget.org/F/aspnetcidev/api/v3/index.json" />
    <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" />
    <add key="nuget.org" value="https://www.nuget.org/api/v2/" />
</packageSources>

project.json

{
    "webroot": "wwwroot","version": "1.0.0-*","dependencies": {
        "Microsoft.NETCore.Platforms": "1.0.1-*","Microsoft.AspNetCore.Diagnostics": "1.0.0-*","Microsoft.AspNetCore.IISPlatformHandler": "1.0.0-*","Microsoft.AspNetCore.Mvc": "1.0.0-*","Microsoft.AspNetCore.Mvc.TagHelpers": "1.0.0-*","Microsoft.AspNetCore.Server.Kestrel": "1.0.0-*","Microsoft.AspNetCore.StaticFiles": "1.0.0-*","Microsoft.Extensions.Configuration.Json": "1.0.0-*","Microsoft.Extensions.Logging.Console": "1.0.0-*","Microsoft.AspNetCore.Identity": "1.0.0-*",},"frameworks": {
        "dnx451": {
            "dependencies": {
                "Microsoft.AspNetCore.Mvc.Dnx": "1.0.0-*"
            }
        },"net451": { },"dnxcore50": {
            "imports": "portable-net451+win7+win8","dependencies": {
                "NETStandard.Library": "1.0.0-*"
            }
        }
    },"publishExclude": [
        "node_modules","bower_components","**.xproj","**.user","**.vspscc"
    ],"exclude": [
        "wwwroot","node_modules","bower_components"
    ]
}