☠ Buildbot (Sourceware): gcc-autoregen - failed 'git diff ...' (failure) (master)

[builder@sourceware.org]

A failed build has been detected on builder gcc-autoregen while building gcc.

Full details are available at:
    https://builder.sourceware.org/buildbot/#/builders/269/builds/23344

Build state: failed 'git diff ...' (failure)
Revision: ac1cdcdad9d364f239d075deb7082071c49ddb6d
Worker: x3d1
Build Reason: (unknown)
Blamelist: Andrew MacLeod <amacleod@redhat.com>, Andrew Pinski <andrew.pinski@oss.qualcomm.com>, Artemiy Volkov <artemiy.volkov@arm.com>, David Malcolm <dmalcolm@redhat.com>, Iain Sandoe <iain@sandoe.co.uk>, Kishan Parmar <kishan@linux.ibm.com>, Nathan Myers <ncm@cantrip.org>, Richard Biener <rguenther@suse.de>, Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>, Uros Bizjak <ubizjak@gmail.com>, chzn@mail.ustc.edu.cn <chzn@mail.ustc.edu.cn>, yxj-github-437 <2457369732@qq.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/2/logs/stdio

- 3: git diff ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/3/logs/stdio

- 4: mkdir objdir ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/4/logs/stdio

- 5: configure ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/5/logs/stdio

- 6: make html ( warnings )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/6/logs/stdio
        - warnings (129): https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/6/logs/warnings__129_

- 7: make regenerate-opt-urls ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/7/logs/stdio

- 8: git diff_1 ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23344/steps/8/logs/stdio