x/build: windows-386-gce builder fails

[alexbrainman]

Failed on windows-386-gce: https://storage.googleapis.com/go-build-log/9dfcb29e/windows-386-gce_8460a500.log
--- FAIL: TestStdcallAndCDeclCallbacks-2 (0.37s)
panic: Failed to load C:\Users\WINGOP1\AppData\Local\Temp\TestCDeclCallback250371298\test.dll: %1 is not a valid Win32 application. [recovered]
panic: Failed to load C:\Users\WINGOP1\AppData\Local\Temp\TestCDeclCallback250371298\test.dll: %1 is not a valid Win32 application.

I suspect test.dll is not 386 dll, but is amd64 dll. This builder windows-386 should be using 386 gcc, but is using amd64 gcc instead. From build log:

Build log:
windows-386-gce at 9dfcb29e2fe255e7c22a264a56ee650d705e0557
:: Running C:\workdir\go\src\make.bat with args ["C:\\workdir\\go\\src\\make.bat"] and env ["GOBUILDEXIT=1" "=::=::\\" "ALLUSERSPROFILE=C:\\ProgramData" "APPDATA=C:\\Users\\wingopher\\AppData\\Roaming" "CommonProgramFiles=C:\\Program Files\\Common Files" "CommonProgramFiles(x86)=C:\\Program Files (x86)\\Common Files" "CommonProgramW6432=C:\\Program Files\\Common Files" "COMPUTERNAME=WINPREP2" "ComSpec=C:\\Windows\\system32\\cmd.exe" "FP_NO_HOST_CHECK=NO" "GOROOT_BOOTSTRAP=C:\\workdir\\go1.4" "HOMEDRIVE=C:" "HOMEPATH=\\Users\\wingopher" "LOCALAPPDATA=C:\\Users\\wingopher\\AppData\\Local" "LOGONSERVER=\\\\WINPREP2" "NUMBER_OF_PROCESSORS=2" "OS=Windows_NT" "PATH=C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files\\Google\\Compute Engine\\sysprep\\;C:\\Program Files\\Google\\Compute Engine\\metadata_scripts\\;C:\\Program Files (x86)\\Git\\cmd;C:\\TDM-GCC-64\\bin" "PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC" "PROCESSOR_ARCHITECTURE=AMD64" "PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 63 Stepping 0, GenuineIntel" "PROCESSOR_LEVEL=6" "PROCESSOR_REVISION=3f00" "ProgramData=C:\\ProgramData" "ProgramFiles=C:\\Program Files" "ProgramFiles(x86)=C:\\Program Files (x86)" "ProgramW6432=C:\\Program Files" "PSModulePath=C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\Modules\\" "PUBLIC=C:\\Users\\Public" "SESSIONNAME=Console" "SystemDrive=C:" "SystemRoot=C:\\Windows" "TEMP=C:\\Users\\WINGOP~1\\AppData\\Local\\Temp" "TMP=C:\\Users\\WINGOP~1\\AppData\\Local\\Temp" "USERDOMAIN=WINPREP2" "USERNAME=wingopher" "USERPROFILE=C:\\Users\\wingopher" "windir=C:\\Windows" "windows_tracing_flags=3" "windows_tracing_logfile=C:\\BVTBin\\Tests\\installpackage\\csilogfile.log" "WIX=C:\\Program Files (x86)\\Windows Installer XML v3.5\\" "WORKDIR=C:\\workdir" "GOARCH=386" "GOHOSTARCH=386"] in dir C:\workdir\go\src
##### Building Go bootstrap tool.

note C:\TDM-GCC-64\bin in the PATH. I suspect @bradfitz made mistake when changed builders code for sharding.

Alex

[bradfitz]

Yeah, I probably did. Thanks for the bug.

I'll look soon and retry all the builds in that column.

[bradfitz]

Fixed in pending CL https://go-review.googlesource.com/10750