☠ 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/17366

Build state: failed 'git diff ...' (failure)
Revision: 8079e96eb767851e8e061a13ecfb21aa1a2362de
Worker: bbo1-1
Build Reason: (unknown)
Blamelist: Andrew Pinski <andrew.pinski@oss.qualcomm.com>, David Malcolm <dmalcolm@redhat.com>, GCC Administrator <gccadmin@gcc.gnu.org>, H.J. Lu <hjl.tools@gmail.com>, Jeff Law <jlaw@ventanamicro.com>, Pan Li <pan2.li@intel.com>, Richard Biener <rguenther@suse.de>, Richard Sandiford <richard.sandiford@arm.com>, Robert Dubner <rdubner@symas.com>, Robin Dapp <rdapp.gcc@gmail.com>, Shreya Munnangi <smunnangi1@ventanamicro.com>, Yang Yujie <yangyujie@loongson.cn>, Yuao Ma <c8ef@outlook.com>, mengqinggang <mengqinggang@loongson.cn>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/17366/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/17366/steps/2/logs/stdio

- 3: git diff ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/17366/steps/3/logs/stdio