☠ 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/4216

Build state: failed 'git diff ...' (failure)
Revision: 46c91665f4bceba19aed56f5bd6e934c548b84ff
Worker: bb2-1
Build Reason: (unknown)
Blamelist: GCC Administrator <gccadmin@gcc.gnu.org>, Gaius Mulley <gaiusmod2@gmail.com>, H.J. Lu <hjl.tools@gmail.com>, Jakub Jelinek <jakub@redhat.com>, Jonathan Wakely <jwakely@redhat.com>, Joseph Myers <josmyers@redhat.com>, Kewen Lin <linkw@linux.ibm.com>, Martin Jambor <mjambor@suse.cz>, Richard Biener <rguenther@suse.de>, Richard Sandiford <richard.sandiford@arm.com>, Sebastian Huber <sebastian.huber@embedded-brains.de>, Sergey Bugaev <bugaevc@gmail.com>, Tatsuyuki Ishi <ishitatsuyuki@gmail.com>, Thomas Schwinge <tschwinge@baylibre.com>, Tobias Burnus <tburnus@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/4216/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/4216/steps/2/logs/stdio

- 3: git diff ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/4216/steps/3/logs/stdio

- 4: mkdir objdir ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/4216/steps/4/logs/stdio

- 5: configure ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/4216/steps/5/logs/stdio

- 6: make html ( warnings )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/4216/steps/6/logs/stdio
        - warnings (67): https://builder.sourceware.org/buildbot/#/builders/269/builds/4216/steps/6/logs/warnings__67_

- 7: make regenerate-opt-urls ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/4216/steps/7/logs/stdio

- 8: git diff_1 ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/4216/steps/8/logs/stdio