A failed build has been detected on builder binutils-gdb-autoregen while building binutils-gdb.

Full details are available at:
    https://builder.sourceware.org/buildbot/#/builders/270/builds/957

Build state: failed 'git diff ...' (failure)
Revision: 71a17ca2f0cc4d364e157f00299f77b05fdec263
Worker: bb2-2
Build Reason: (unknown)
Blamelist: Andrew Burgess <aburgess@redhat.com>, David Faust <david.faust@oracle.com>, Dimitar Dimitrov <dimitar@dinux.eu>, GDB Administrator <gdbadmin@sourceware.org>, Indu Bhagat <indu.bhagat@oracle.com>, Tom de Vries <tdevries@suse.de>, Vladimir Mezentsev <vladimir.mezentsev@oracle.com>, Yang Liu <liuyang22@iscas.ac.cn>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/270/builds/957/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/270/builds/957/steps/2/logs/stdio

- 3: git diff ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/270/builds/957/steps/3/logs/stdio