INFO : 2019-08-27 18:25:20Z - Getting source from 'https://github.com/Inedo/inedox-inedocore.git' on 'master' branch...
INFO : 2019-08-27 18:25:21Z - Get source complete.
INFO : 2019-08-27 18:25:21Z - Setting CommitHash build variable...
INFO : 2019-08-27 18:25:21Z - Variable set.
INFO : 2019-08-27 18:25:21Z - Setting Branch build variable...
INFO : 2019-08-27 18:25:21Z - Variable set.
INFO : 2019-08-27 18:25:21Z - Setting assembly version attributes to 1.0.16.2...
INFO : 2019-08-27 18:25:21Z - Writing assembly versions attributes to C:\ProgramData\BuildMaster\Temp\Service\_E2236\Src\InedoCore\InedoExtension\Properties\AssemblyInfo.cs...
INFO : 2019-08-27 18:25:21Z - Restoring packages for C:\ProgramData\BuildMaster\Temp\Service\_E2236\Src\InedoCore...
INFO : 2019-08-27 18:25:29Z - Done restoring packages.
INFO : 2019-08-27 18:25:29Z - Setting PrereleaseExtensionVersion build variable...
INFO : 2019-08-27 18:25:29Z - Variable set.
INFO : 2019-08-27 18:25:30Z - Building C:\ProgramData\BuildMaster\Temp\Service\_E2236\Src\InedoCore\InedoExtension\InedoExtension.csproj...
INFO : 2019-08-27 18:25:32Z - Building Project "InedoExtension.csproj" (default targets):
ERROR: 2019-08-27 18:25:35Z - Operations\ProGet\ChangePackageVersionOperation.cs(196,83): error CS8107: Feature 'default literal' is not available in C# 7.0. Please use language version 7.1 or greater.
ERROR: 2019-08-27 18:25:35Z - Operations\ProGet\ChangePackageVersionOperation.cs(207,21): error CS8107: Feature 'default literal' is not available in C# 7.0. Please use language version 7.1 or greater.
ERROR: 2019-08-27 18:25:35Z - Operations\ProGet\PushPackageOperation.cs(194,21): error CS8107: Feature 'default literal' is not available in C# 7.0. Please use language version 7.1 or greater.
INFO : 2019-08-27 18:25:35Z - Done building project "InedoExtension.csproj" -- FAILED.
ERROR: 2019-08-27 18:25:35Z - Build failed (msbuild returned 1).