debuginfo/issue12886 is failing on 64-bit windows bots

[brson]

    NOTE: compiletest thinks it is using GDB version 7.6

    error: line not found in debugger output: [...]30[...]s

    status: exit code: 0
    command: PATH="x86_64-w64-mingw32/stage2/bin/rustlib/x86_64-w64-mingw32/lib;.;C:\msys64\usr\bin;C:\program files\mingw-w64\x86_64-4.9.1-win32-seh-rt_v3-rev1\mingw64\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\msys64\usr\bin;C:\python27;C:\python27\scripts;C:\program files (x86)\inno setup 5;C:\program files (x86)\CMake\bin;x86_64-w64-mingw32\stage2\bin\rustlib\x86_64-w64-mingw32\lib" gdb.exe -quiet -batch -nx -command=x86_64-w64-mingw32\test\debuginfo-gdb\issue12886.debugger.script
    stdout:
    ------------------------------------------
    GNU gdb (GDB) 7.6.1
    Copyright (C) 2013 Free Software Foundation, Inc.
    License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
    and "show warranty" for details.
    This GDB was configured as "x86_64-pc-msys".
    For bug reporting instructions, please see:
    <http://www.gnu.org/software/gdb/bugs/>.
    Breakpoint 1 at 0x401519: file C:\bot\slave\auto-win-64-opt\build\src\test\debuginfo/issue12886.rs, line 29.
    [New Thread 2068.0x6a8]

    Breakpoint 1, issue12886::bar () at C:\bot\slave\auto-win-64-opt\build\src\test\debuginfo/issue12886.rs:29
    29      let s = Some(5).unwrap();
    31  }
    [Inferior 1 (process 2068) exited normally]

    ------------------------------------------
    stderr:
    ------------------------------------------

    ------------------------------------------

    task '[debuginfo-gdb] debuginfo/issue12886.rs' failed at 'explicit failure', C:\bot\slave\auto-win-64-opt\build\src\compiletest\runtest.rs:1431

[brson]

I've seen this happen on a linux bot too.

[steveklabnik]

@brson this ticket is almost a year old, is this still happening?

[brson]

I haven't seen it.