I am not familiar with Jenkins, but you can always install analyzers in the project as NuGet packages and force them to generate warnings and errors as part of the MsBuild assembly:

, , .
MSBuild , , . :
"D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj" (default target) (2) ->
(CoreCompile target) ->
Class1.cs(13,17): warning CS0219: The variable 'a' is assigned but its value is never used [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(1,1): warning SA1652: Enable XML documentation output [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(1,1): warning SA1633: The file header is missing or not located at the top of the file. [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(13,23): warning SA1002: Semicolons must not be preceded by a space. [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(1,1): warning SA1200: Using directive must appear within a namespace declaration [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(2,1): warning SA1200: Using directive must appear within a namespace declaration [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(3,1): warning SA1200: Using directive must appear within a namespace declaration [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(4,1): warning SA1200: Using directive must appear within a namespace declaration [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(5,1): warning SA1200: Using directive must appear within a namespace declaration [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Properties\AssemblyInfo.cs(1,1): warning SA1652: Enable XML documentation output [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Properties\AssemblyInfo.cs(1,1): warning SA1633: The file header is missing or not located at the top of the file. [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Properties\AssemblyInfo.cs(5,77): warning SA1028: Code must not contain trailing whitespace [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Properties\AssemblyInfo.cs(17,76): warning SA1028: Code must not contain trailing whitespace [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Properties\AssemblyInfo.cs(18,74): warning SA1028: Code must not contain trailing whitespace [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Properties\AssemblyInfo.cs(28,22): warning SA1028: Code must not contain trailing whitespace [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Properties\AssemblyInfo.cs(32,84): warning SA1028: Code must not contain trailing whitespace [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(13,19): warning S1854: Remove this useless assignment to local variable "a". [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
Class1.cs(13,17): warning S1481: Remove this unused "a" local variable. [D:\Users\Damir\Temp\SO_36412838_Analyzers\SO_36412838_Analyzers\SO_36412838_Analyzers.csproj]
18 Warning(s)
0 Error(s)