☠ 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/12725

Build state: failed 'git diff ...' (failure)
Revision: 19ed0a94fa485fbe9c388713c4cdb2bf633a1b86
Worker: x3d1
Build Reason: (unknown)
Blamelist: Arthur Cohen <arthur.cohen@embecosm.com>, Iain Buclaw <ibuclaw@gdcproject.org>, Jakub Dupak <dev@jakubdupak.com>, John David Anglin <danglin@gcc.gnu.org>, Kushal Pal <kushalpal109@gmail.com>, Mael Cravero <mael.cravero@embecosm.com>, Michal Jires <mjires@suse.cz>, Nobel Singh <nobel2073@gmail.com>, Owen Avery <powerboat9.gamer@gmail.com>, Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>, Sahil Yeole <sahilyeole93@gmail.com>, zhanghe9702 <zhanghe9702@163.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/2/logs/stdio

- 3: git diff ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/3/logs/stdio

- 4: mkdir objdir ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/4/logs/stdio

- 5: configure ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/5/logs/stdio

- 6: make html ( warnings )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/6/logs/stdio
        - warnings (147): https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/6/logs/warnings__147_

- 7: make regenerate-opt-urls ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/7/logs/stdio

- 8: git diff_1 ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/12725/steps/8/logs/stdio