☠ 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/10542

Build state: failed 'git diff ...' (failure)
Revision: 490443357668a87e3c322f218873a7649a2552df
Worker: x3d1
Build Reason: (unknown)
Blamelist: Arvin Zhong <Arvin.Zhong@armchina.com>, GCC Administrator <gccadmin@gcc.gnu.org>, Gaius Mulley <gaiusmod2@gmail.com>, Georg-Johann Lay <avr@gjlay.de>, Jakub Jelinek <jakub@redhat.com>, Jennifer Schmitz <jschmitz@nvidia.com>, Jonathan Wakely <jwakely@redhat.com>, Marek Polacek <polacek@redhat.com>, Pan Li <pan2.li@intel.com>, Richard Biener <rguenther@suse.de>, Richard Earnshaw <rearnsha@arm.com>, Richard Sandiford <richard.sandiford@arm.com>, Thomas Schwinge <tschwinge@baylibre.com>, Uros Bizjak <ubizjak@gmail.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/2/logs/stdio

- 3: git diff ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/3/logs/stdio

- 4: mkdir objdir ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/4/logs/stdio

- 5: configure ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/5/logs/stdio

- 6: make html ( warnings )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/6/logs/stdio
        - warnings (124): https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/6/logs/warnings__124_

- 7: make regenerate-opt-urls ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/7/logs/stdio

- 8: git diff_1 ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/10542/steps/8/logs/stdio