☠ Buildbot (Sourceware): gcc - 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/18325

Build state: failed 'git diff ...' (failure)
Revision: 84119759ec0f312fb4a022a718254fa311ebf474
Worker: x3d1
Build Reason: (unknown)
Blamelist: Alejandro Colomar <alx@kernel.org>, ChengLulu <chenglulu@loongson.cn>, GCC Administrator <gccadmin@gcc.gnu.org>, Ghjuvan Lacambre <lacambre@adacore.com>, Ian Lance Taylor <iant@golang.org>, Jason Merrill <jason@redhat.com>, Javier Miranda <miranda@adacore.com>, Jie Mei <jie.mei@oss.cipunited.com>, Jonathan Wakely <jwakely@redhat.com>, Paul Thomas <pault@gcc.gnu.org>, Peter Damianov <peter0x44@disroot.org>, Ronan Desplanques <desplanques@adacore.com>, Viljar Indus <indus@adacore.com>, YunQiang Su <syq@gcc.gnu.org>, YunQiang Su <yunqiang@isrc.iscas.ac.cn>, liuhongt <hongtao.liu@intel.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/2/logs/stdio

- 3: git diff ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/3/logs/stdio

- 4: mkdir objdir ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/4/logs/stdio

- 5: configure ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/5/logs/stdio

- 6: make html ( warnings )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/6/logs/stdio
        - warnings (118): https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/6/logs/warnings__118_

- 7: make regenerate-opt-urls ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/7/logs/stdio

- 8: git diff_1 ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/18325/steps/8/logs/stdio