src/Framework/TaskEnvironment.cs(29,41): error CS0103: (NETCORE_ENGINEERING_TELEMETRY=Build) The name 'MultiProcessTaskEnvironmentDriver' does not exist in the current context

src/Framework/TaskEnvironment.cs(29,41): error CS0103: (NETCORE_ENGINEERING_TELEMETRY=Build) The name 'MultiProcessTaskEnvironmentDriver' does not exist in the current context

eng/BootStrapMsBuild.targets(243,5): error MSB6006: (NETCORE_ENGINEERING_TELEMETRY=Build) "csc.exe" exited with code 150.

eng/BootStrapMsBuild.targets(243,5): error : (NETCORE_ENGINEERING_TELEMETRY=Build) The source file for this compilation can be found at: "/tmp/MSBuildTempNfK7Bu/tmp2f8429165a374b9abd9259d335c7500b.tmp"

eng/BootStrapMsBuild.targets(243,5): error MSB4036: (NETCORE_ENGINEERING_TELEMETRY=Build) The "InstallDotNetCoreTask" task was not found. Check the following: 1.) The name of the task in the project file is the same as the name of the task class. 2.) The task class is "public" and implements the Microsoft.Build.Framework.ITask interface. 3.) The task is correctly declared with <UsingTask> in the project file, or in the *.tasks files located in the "/mnt/vss/_work/1/s/stage1/bin/bootstrap/core/sdk/10.0.103" directory.