☠ 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/23521

Build state: failed 'git diff ...' (failure)
Revision: 74d5e928d5fe9804fdacb393d36d1be58feb60fb
Worker: x3d1
Build Reason: (unknown)
Blamelist: Alexandre Oliva <oliva@adacore.com>, Artemiy Volkov <artemiy.volkov@arm.com>, Christopher Bazley <chris.bazley@arm.com>, GCC Administrator <gccadmin@gcc.gnu.org>, H.J. Lu <hjl.tools@gmail.com>, Hans-Peter Nilsson <hp@axis.com>, Heiko Eißfeldt <heiko.Eissfeldt@hexco.de>, Jason Merrill <jason@redhat.com>, Jeevitha <jeevitha@linux.ibm.com>, John David Anglin <danglin@gcc.gnu.org>, Jonathan Wakely <jwakely@redhat.com>, Lili Cui <lili.cui@intel.com>, Léo Hardt <leom.hardt@inf.ufrgs.br>, Marek Polacek <polacek@redhat.com>, Martin Jambor <mjambor@suse.cz>, Martin Uecker <uecker@tugraz.at>, Naveen <naveen.siddegowda@oss.qualcomm.com>, Reshma Roy <Reshma.Roy@amd.com>, Richard Biener <rguenther@suse.de>, Robert Dubner <rdubner@symas.com>, Roger Sayle <roger@nextmovesoftware.com>, Tobias Burnus <tburnus@baylibre.com>, Yoshinori Sato <yoshinori.sato@nifty.com>, chzn@mail.ustc.edu.cn <chzn@mail.ustc.edu.cn>, Álvaro Begué <alvaro.begue@gmail.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23521/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23521/steps/2/logs/stdio

- 3: git diff ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/23521/steps/3/logs/stdio