Microsoft (R) Build Engine version 15.5.180.51428 for .NET Core
Copyright (C) Microsoft Corporation. All rights reserved.

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  Failed to download package 'SharpGenTools.Sdk.1.0.1' from 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/1.0.1/sharpgentools.sdk.1.0.1.nupkg'.
  An error occurred while sending the request.
    SSL connect error
  Failed to download package 'AvalonStudio.Languages.CPlusPlus.LibClang.6.0.0' from 'https://api.nuget.org/v3-flatcontainer/avalonstudio.languages.cplusplus.libclang/6.0.0/avalonstudio.languages.cplusplus.libclang.6.0.0.nupkg'.
  An error occurred while sending the request.
    SSL connect error
  Restore completed in 118.91 ms for /home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio.Utils/AvalonStudio.Utils.csproj.
  Failed to download package 'SharpGenTools.Sdk.1.0.1' from 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/1.0.1/sharpgentools.sdk.1.0.1.nupkg'.
  An error occurred while sending the request.
    SSL connect error
  Restoring packages for /home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj...
  Failed to download package 'AvalonStudio.Languages.CPlusPlus.LibClang.6.0.0' from 'https://api.nuget.org/v3-flatcontainer/avalonstudio.languages.cplusplus.libclang/6.0.0/avalonstudio.languages.cplusplus.libclang.6.0.0.nupkg'.
  An error occurred while sending the request.
    SSL connect error
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/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : Failed to download package 'SharpGenTools.Sdk.1.0.1' from 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/1.0.1/sharpgentools.sdk.1.0.1.nupkg'. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : An error occurred while sending the request. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error :   SSL connect error [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
  Restoring packages for /home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/Avalonia.Designer.HostApp/Avalonia.Designer.HostApp.csproj...
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/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : Failed to download package 'AvalonStudio.Languages.CPlusPlus.LibClang.6.0.0' from 'https://api.nuget.org/v3-flatcontainer/avalonstudio.languages.cplusplus.libclang/6.0.0/avalonstudio.languages.cplusplus.libclang.6.0.0.nupkg'. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : An error occurred while sending the request. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error :   SSL connect error [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
  Restoring packages for /home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/Avalonia.Ide/src/Avalonia.Ide.CompletionEngine.SrmMetadataProvider/Avalonia.Ide.CompletionEngine.SrmMetadataProvider.csproj...
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/avalonstudio.languages.cplusplus.libclang/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/microsoft.dotnet.ilcompiler/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/mabiavalon.docknc/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Restore completed in 159.42 ms for /home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/Avalonia.Ide/src/Avalonia.Ide.CompletionEngine.SrmMetadataProvider/Avalonia.Ide.CompletionEngine.SrmMetadataProvider.csproj.
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Restoring packages for /home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/Avalonia.Ide/src/Avalonia.Ide.CompletionEngine/Avalonia.Ide.CompletionEngine.csproj...
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/avalonstudio.languages.cplusplus.libclang/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Restore completed in 370.55 ms for /home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/Avalonia.Designer.HostApp/Avalonia.Designer.HostApp.csproj.
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  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/avalonstudio.languages.cplusplus.libclang/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/microsoft.dotnet.ilcompiler/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/mabiavalon.docknc/index.json'.
  An error occurred while sending the request.
    SSL connect error
  Retrying 'FindPackagesByIdAsync' for source 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/index.json'.
  An error occurred while sending the request.
    SSL connect error
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : Failed to retrieve information about 'SharpGenTools.Sdk' from remote source 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/index.json'. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error :   An error occurred while sending the request. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error :   SSL connect error [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]

Build FAILED.

/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : Failed to download package 'SharpGenTools.Sdk.1.0.1' from 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/1.0.1/sharpgentools.sdk.1.0.1.nupkg'. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : An error occurred while sending the request. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error :   SSL connect error [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : Failed to download package 'AvalonStudio.Languages.CPlusPlus.LibClang.6.0.0' from 'https://api.nuget.org/v3-flatcontainer/avalonstudio.languages.cplusplus.libclang/6.0.0/avalonstudio.languages.cplusplus.libclang.6.0.0.nupkg'. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : An error occurred while sending the request. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error :   SSL connect error [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error : Failed to retrieve information about 'SharpGenTools.Sdk' from remote source 'https://api.nuget.org/v3-flatcontainer/sharpgentools.sdk/index.json'. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error :   An error occurred while sending the request. [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
/usr/share/dotnet/sdk/2.1.4/NuGet.targets(103,5): error :   SSL connect error [/home/<redacted>/Desktop/CoreRTAvalonStudio/AvalonStudio/AvalonStudio/AvalonStudio.csproj]
    0 Warning(s)
    3 Error(s)