azure-functions-host: Error on build for in-portal functions with NuGet references

Investigative information

Please provide the following:

• Timestamp: 2020-04-17T13:10:40.297
• Function App version: 3.0
• Function App name: azsometest22
• Function name(s) (as appropriate): SomeTest
• Invocation ID: 9c2cedf0-5596-419f-aaef-190d1afd7744
• Region: Central US, West Europe

Repro steps

Provide the steps required to reproduce the problem:

1. Create simple in-portal function
2. Add function.proj with content:

<Project Sdk="Microsoft.NET.Sdk">
    <PropertyGroup>
        <TargetFramework>netstandard2.0</TargetFramework>
    </PropertyGroup>
    <ItemGroup>
        <PackageReference Include="Azure.Storage.Blobs" Version="12.0.0" />
    </ItemGroup>
</Project>

Expected behavior

Build is OK

Actual behavior

Seems to be the #4665 returns

We have a problem in several regions (not sure if it for all, can’t test) Error occurred during the build when you add function.proj with some references to NuGet.

2020-04-17T13:10:40.297 [Information] Compilation failed.
2020-04-17T13:10:41.047 [Information] Executing 'Functions.SomeTest' (Reason='This function was programmatically called via the host APIs.', Id=54c3a466-d592-4853-97c8-d27bcdb9d983)
2020-04-17T13:10:41.063 [Information] Package references have been updated.
2020-04-17T13:10:41.064 [Information] Restoring packages.
2020-04-17T13:10:41.127 [Information] Starting packages restore
2020-04-17T13:10:41.963 [Information] System.UnauthorizedAccessException: Attempted to perform an unauthorized operation.
2020-04-17T13:10:41.963 [Information] at Internal.Win32.RegistryKey.Win32Error(Int32 errorCode, String str)
2020-04-17T13:10:41.963 [Information] at Internal.Win32.RegistryKey.SetValue(String name, String value)
2020-04-17T13:10:41.983 [Information] at System.Environment.SetEnvironmentVariableFromRegistry(String variable, String value, Boolean fromMachine)
2020-04-17T13:10:41.983 [Information] at System.Environment.SetEnvironmentVariable(String variable, String value, EnvironmentVariableTarget target)
2020-04-17T13:10:42.011 [Information] at Microsoft.DotNet.Cli.Utils.EnvironmentProvider.SetEnvironmentVariable(String variable, String value, EnvironmentVariableTarget target)
2020-04-17T13:10:42.011 [Information] at Microsoft.DotNet.ShellShim.WindowsEnvironmentPath.AddPackageExecutablePathToUserPath()
2020-04-17T13:10:42.011 [Information] at Microsoft.DotNet.Configurer.DotnetFirstTimeUseConfigurer.Configure()
2020-04-17T13:10:42.021 [Information] at Microsoft.DotNet.Cli.Program.ConfigureDotNetForFirstTimeUse(IFirstTimeUseNoticeSentinel firstTimeUseNoticeSentinel, IAspNetCertificateSentinel aspNetCertificateSentinel, IFileSentinel toolPathSentinel, Boolean hasSuperUserAccess, DotnetFirstRunConfiguration dotnetFirstRunConfiguration, IEnvironmentProvider environmentProvider)
2020-04-17T13:10:42.021 [Information] at Microsoft.DotNet.Cli.Program.ProcessArgs(String[] args, ITelemetry telemetryClient)
2020-04-17T13:10:42.022 [Information] at Microsoft.DotNet.Cli.Program.Main(String[] args)
2020-04-17T13:10:42.049 [Information] Packages restored.