DotNetty.Transport "dotnet build" output

gistfile1.txt

Project DotNetty.Common (.NETStandard,Version=v1.3) was previously compiled. Skipping compilation.
Project DotNetty.Buffers (.NETStandard,Version=v1.3) will be compiled because Input items removed from last build
Compiling DotNetty.Buffers for .NETStandard,Version=v1.3
/home/shahid/repos/DotNetty/src/DotNetty.Buffers/PoolSubpage.cs(246,41): warning CS0675: Bitwise-or operator used on a sign-extended operand; consider casting to a smaller unsigned type first

Compilation succeeded.
    1 Warning(s)
    0 Error(s)

Time elapsed 00:00:13.5182650
Project DotNetty.Transport (.NETStandard,Version=v1.3) will be compiled because dependencies changed
Compiling DotNetty.Transport for .NETStandard,Version=v1.3
/usr/share/dotnet/dotnet compile-csc @/home/shahid/repos/DotNetty/src/DotNetty.Transport/obj/Debug/netstandard1.3/dotnet-compile.rsp returned Exit Code 1
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/Bootstrap.cs(151,17): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/Bootstrap.cs(149,30): warning CS0168: The variable 'ex' is declared but never used
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/AbstractBootstrap.cs(256,21): warning CS4014: Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/AbstractBootstrap.cs(241,30): warning CS0168: The variable 'ex' is declared but never used
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Channels/Groups/ChannelMatchers.cs(105,78): error CS1061: 'TypeInfo' does not contain a definition for 'IsInstanceOfType' and no extension method 'IsInstanceOfType' accepting a first argument of type 'TypeInfo' could be found (are you missing a using directive or an assembly reference?)
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/ServerBootstrap.cs(199,37): error CS0246: The type or namespace name 'MemberFilter' could not be found (are you missing a using directive or an assembly reference?)
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/ServerBootstrap.cs(209,30): error CS0103: The name 'MemberTypes' does not exist in the current context
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/ServerBootstrap.cs(209,74): error CS0103: The name 'BindingFlags' does not exist in the current context
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/ServerBootstrap.cs(209,50): error CS0103: The name 'BindingFlags' does not exist in the current context
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Bootstrapping/ServerBootstrap.cs(209,18): error CS1061: 'TypeInfo' does not contain a definition for 'FindMembers' and no extension method 'FindMembers' accepting a first argument of type 'TypeInfo' could be found (are you missing a using directive or an assembly reference?)
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Channels/AbstractChannelHandlerContext.cs(160,46): error CS1061: 'TypeInfo' does not contain a definition for 'GetMethod' and no extension method 'GetMethod' accepting a first argument of type 'TypeInfo' could be found (are you missing a using directive or an assembly reference?)
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Channels/Sockets/AbstractSocketByteChannel.cs(180,34): error CS0117: 'ExecutionContext' does not contain a definition for 'IsFlowSuppressed'
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Channels/Sockets/AbstractSocketByteChannel.cs(186,41): error CS0117: 'ExecutionContext' does not contain a definition for 'SuppressFlow'
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Channels/Sockets/AbstractSocketByteChannel.cs(331,38): error CS0117: 'ExecutionContext' does not contain a definition for 'IsFlowSuppressed'
/home/shahid/repos/DotNetty/src/DotNetty.Transport/Channels/Sockets/AbstractSocketByteChannel.cs(337,45): error CS0117: 'ExecutionContext' does not contain a definition for 'SuppressFlow'

Compilation failed.
    4 Warning(s)
    11 Error(s)

Time elapsed 00:00:10.2641273