☠ 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/5192

Build state: failed 'git diff ...' (failure)
Revision: b3cfe6e88ffcc636d83e4ac5708065c3131e1766
Worker: bb1-1
Build Reason: (unknown)
Blamelist: Bob Duff <duff@adacore.com>, Eric Botcazou <ebotcazou@adacore.com>, GCC Administrator <gccadmin@gcc.gnu.org>, Gary Dismukes <dismukes@adacore.com>, Haochen Jiang <haochen.jiang@intel.com>, Iain Sandoe <iain@sandoe.co.uk>, Jeff Law <jlaw@ventanamicro.com>, Jose Ruiz <ruiz@adacore.com>, Justin Squirek <squirek@adacore.com>, Palmer Dabbelt <palmer@rivosinc.com>, Pan Li <pan2.li@intel.com>, Piotr Trojanek <trojanek@adacore.com>, Roger Sayle <roger@nextmovesoftware.com>, Ronan Desplanques <desplanques@adacore.com>, Sebastian Poeplau <poeplau@adacore.com>, Steve Baird <baird@adacore.com>, Tobias Burnus <tburnus@baylibre.com>, YunQiang Su <syq@gcc.gnu.org>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/1/logs/stdio

- 2: autoregen.py ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/2/logs/stdio

- 3: git diff ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/3/logs/stdio

- 4: mkdir objdir ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/4/logs/stdio

- 5: configure ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/5/logs/stdio

- 6: make html ( warnings )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/6/logs/stdio
        - warnings (68): https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/6/logs/warnings__68_

- 7: make regenerate-opt-urls ( success )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/7/logs/stdio

- 8: git diff_1 ( failure )
    Logs:
        - stdio: https://builder.sourceware.org/buildbot/#/builders/269/builds/5192/steps/8/logs/stdio