☠ 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/15100

Build state: failed 'git diff ...' (failure)
Revision: ef0c2ed1382d6edc26ba63322e1009f9acf97efd
Worker: bb1-2
Build Reason: (unknown)
Blamelist: Alejandro Colomar <alx@kernel.org>, David Malcolm <dmalcolm@redhat.com>, Eric Botcazou <ebotcazou@adacore.com>, GCC Administrator <gccadmin@gcc.gnu.org>, Georg-Johann Lay <avr@gjlay.de>, Haochen Jiang <haochen.jiang@intel.com>, Harald Anlauf <anlauf@gmx.de>, Iain Sandoe <iain@sandoe.co.uk>, Jakub Jelinek <jakub@redhat.com>, Jan Hubicka <hubicka@ucw.cz>, Jason Merrill <jason@redhat.com>, Jerry DeLisle <jvdelisle@gcc.gnu.org>, Jonathan Wakely <jwakely@redhat.com>, Juergen Christ <jchrist@linux.ibm.com>, Kito Cheng <kito.cheng@sifive.com>, Konstantinos Eleftheriou <konstantinos.eleftheriou@vrull.eu>, Kugan Vivekanandarajah <kvivekananda@nvidia.com>, Luc Grosheintz <luc.grosheintz@gmail.com>, Pan Li <pan2.li@intel.com>, Richard Biener <rguenther@suse.de>, Shreya Munnangi <smunnangi1@ventanamicro.com>, Tobias Burnus <tburnus@baylibre.com>, Tomasz Kamiński <tkaminsk@redhat.com>, Yuta Mukai <mukai.yuta@fujitsu.com>, liuhongt <hongtao.liu@intel.com>, xuli <xuli1@eswincomputing.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/15100/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/15100/steps/2/logs/stdio

- 3: git diff ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/15100/steps/3/logs/stdio