"dotnet restore" is using versions that were not specified in project.json

[forki]

I have the following project.json:

{
    "version": "1.0.0-*",
    "compilationOptions": {
        "emitEntryPoint": true
    },

    "frameworks": {
        "dnxcore50": { }
    },

    "dependencies": {
        "System.Threading.Timer": "4.0.1-rc3-23805",
        "System.Threading.Tasks": "4.0.11-rc3-23805",
        "System.Threading": "4.0.11-rc3-23805",
        "System.Text.RegularExpressions": "4.0.12-rc3-23805",
        "System.Text.Encoding.Extensions": "4.0.11-rc3-23805",
        "System.Text.Encoding": "4.0.11-rc3-23805",
        "System.Runtime.Numerics": "4.0.1-rc3-23805",
        "System.Runtime.InteropServices.RuntimeInformation": "4.0.0-rc3-23805",
        "System.Runtime.InteropServices.PInvoke": "4.0.0-rc3-23805",
        "System.Runtime.InteropServices": "4.1.0-rc3-23805",
        "System.Runtime.Handles": "4.0.1-rc3-23805",
        "System.Runtime.Extensions": "4.1.0-rc3-23805",
        "System.Runtime": "4.1.0-rc3-23805",
        "System.Resources.ResourceManager": "4.0.0",
        "System.Reflection.TypeExtensions": "4.1.0-rc3-23805",
        "System.Reflection.Primitives": "4.0.1-rc3-23805",
        "System.Reflection.Extensions": "4.0.1-rc3-23805",
        "System.Reflection": "4.1.0-rc3-23805",
        "System.Net.Sockets": "4.1.0-rc3-23805",
        "System.Net.Primitives": "4.0.11-rc3-23805",
        "System.Linq": "4.0.2-rc3-23805",
        "System.IO.FileSystem.Primitives": "4.0.1-rc3-23805",
        "System.IO.FileSystem": "4.0.1-rc3-23805",
        "System.IO": "4.1.0-rc3-23805",
        "System.Globalization.Calendars": "4.0.1-rc3-23805",
        "System.Globalization": "4.0.11-rc3-23805",
        "System.Diagnostics.Tracing": "4.1.0-rc3-23805",
        "System.Diagnostics.Tools": "4.0.1-rc3-23805",
        "System.Diagnostics.Debug": "4.0.11-rc3-23805",
        "System.Console": "4.0.0-rc3-23805",
        "System.Collections.Concurrent": "4.0.12-rc3-23805",
        "System.Collections": "4.0.11-rc3-23805",
        "System.AppContext": "4.1.0-rc3-23805",
        "NETStandard.Platform": "1.0.0-rc3-23805",
        "NETStandard.Library": "1.0.0-rc3-23805",
        "Microsoft.Win32.Primitives": "4.0.1-rc3-23805",
        "Microsoft.NETCore.Windows.ApiSets": "1.0.1-rc3-23805",
        "Microsoft.NETCore.Targets.UniversalWindowsPlatform": "5.0.1-rc3-23805",
        "Microsoft.NETCore.Targets.NETFramework": "4.6.1-rc3-23805",
        "Microsoft.NETCore.Targets.DNXCore": "5.0.0-rc3-23805",
        "Microsoft.NETCore.Targets": "1.0.1-rc3-23805",
        "Microsoft.NETCore.Runtime.Native": "1.0.1-rc3-23805",
        "Microsoft.NETCore.Runtime.CoreCLR": "1.0.1-rc3-23805",
        "Microsoft.NETCore.Runtime": "1.0.1-rc3-23805",
        "Microsoft.NETCore.Platforms": "1.0.1-rc3-23805",
        "Microsoft.DotNet.CoreHost": "0.0.1-beta-00001"
    }
}

when I run "dotnet restore" I get:

Why is it not using the versions that I have specified?

[forki]

closing this here, since it's probably more of a NuGet issue. see NuGet/Home#2071