160.004s 
  637960290963536803:   62       0.010s     160.013s 
  637960290963635219:   61       0.001s     160.014s 
  637960290963641593:   63       0.007s     160.021s 
  637960290963712406:   64       0.012s     160.033s 
  637960290963833921:   63       0.001s     160.034s 
  637960290963840713:   65       22.014s     182.048s ++++ (scale 1:100)
  637960291183983949:   63       0.001s     182.049s 
  637960291183990894:   66       0.007s     182.056s 
  637960291184065281:   67       0.015s     182.072s 
  637960291184216225:   66       0.000s     182.072s 
  637960291184221064:   68       0.009s     182.081s 
  637960291184308153:   66       270.685s     452.766s ##### (scale 1:1000)
  637960293891156272:   63       0.001s     452.766s 
  637960293891164878:   69       0.010s     452.776s 
  637960293891262869:   63       6.358s     459.134s + (scale 1:100)
  637960293954839661:   61       0.002s     459.135s 
  637960293954855420:   39       0.001s     459.137s 
  637960293954867323:   0        0.001s     459.138s 
  -----------------------------------------------------------------------------------------------------------------------------------
  Utilization:          100.0    Average Utilization: 100.0
Build FAILED.
  /builddir/build/BUILD/dotnet-v3.1.421-SDK/tools-local/init-build.proj(11,3): warning MSB4011: "/builddir/build/BUILD/dotnet-v3.1.421-SDK/git-info/AllRepoVersions.props" cannot be imported again. It was already imported at "/builddir/build/BUILD/dotnet-v3.1.421-SDK/Directory.Build.props (230,3)". This is most likely a build authoring error. This subsequent import will be ignored. 
"/builddir/build/BUILD/dotnet-v3.1.421-SDK/build.proj" (default target) (1) ->
"/builddir/build/BUILD/dotnet-v3.1.421-SDK/repos/known-good.proj" (Build target) (23:2) ->
"/builddir/build/BUILD/dotnet-v3.1.421-SDK/repos/msbuild.proj" (Build target) (25:2) ->
"/builddir/build/BUILD/dotnet-v3.1.421-SDK/repos/corefx.proj" (Build target) (18:2) ->
(RepoBuild target) -> 
  /builddir/build/BUILD/dotnet-v3.1.421-SDK/repos/Directory.Build.targets(358,5): error MSB3073: The command "/builddir/build/BUILD/dotnet-v3.1.421-SDK/src/dotnet-corefx.a0e457f26f231f3e74a795dba807890df41eb373//build.sh --configuration Release --restore --build --pack /p:SkipTests=true /p:ArchGroup=x64 /p:ConfigurationGroup=Release /p:PackageRid=centos.8-x64 /p:RuntimeOS=centos.8 /p:PortableBuild=false /p:ILAsmToolPath=/builddir/build/BUILD/dotnet-v3.1.421-SDK/Tools/source-built/coreclr-tools/ /p:EnableVSTestReferences=false /p:ILLinkTrimAssembly=false /p:BuildAllPackages=true /p:DotNetSourceBuildIntermediatePath=/builddir/build/BUILD/dotnet-v3.1.421-SDK/src/generatedSrc/ /p:MicrosoftNETCoreDotNetHostPackageVersion=3.1.22 /p:MicrosoftNETCoreDotNetHostPolicyPackageVersion=3.1.22 --verbosity n --binaryLog --ci -warnAsError:0 /p:TreatWarningsAsErrors=false --nodereuse false --ci /p:UpdateRuntimeFiles=true  /p:DotNetPackageVersionPropsPath=/builddir/build/BUILD/dotnet-v3.1.421-SDK/artifacts/obj/x64/Release/PackageVersions.props /p:DotNetRestoreSourcePropsPath=/builddir/build/BUILD/dotnet-v3.1.421-SDK/artifacts/obj/x64/Release/RestoreSources.props /p:DotNetBuildOffline=true " exited with code 1. [/builddir/build/BUILD/dotnet-v3.1.421-SDK/repos/corefx.proj]
    1 Warning(s)
    1 Error(s)
Time Elapsed 00:07:39.17
error: Bad exit status from /var/tmp/rpm-tmp.ybOte2 (%build)
    Bad exit status from /var/tmp/rpm-tmp.ybOte2 (%build)
RPM build errors:
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/mockbuild/trace_decorator.py", line 89, in trace
    result = func(*args, **kw)
  File "/usr/lib/python2.7/site-packages/mockbuild/util.py", line 582, in do
    raise exception.Error("Command failed. See logs for output.\n # %s" % (command,), child.returncode)
Error: Command failed. See logs for output.
 # bash --login -c /usr/bin/rpmbuild -bb --target x86_64 --nodeps /builddir/build/SPECS/dotnet3.1.spec