☠ Buildbot (Sourceware): gcc-autoregen - failed update (failure) (master)

[builder--- via Gcc-testresults]

A new failure has been detected on builder gcc-autoregen while building gcc.

Full details are available at:
    https://builder.sourceware.org/buildbot/#/builders/269/builds/11530

Build state: failed update (failure)
Revision: (unknown)
Worker: bb1-2
Build Reason: (unknown)
Blamelist: liuhongt <hongtao....@intel.com>

Steps:

- 0: worker_preparation ( success )

- 1: git checkout ( failure )
    Logs:
        - stdio: 
https://builder.sourceware.org/buildbot/#/builders/269/builds/11530/steps/1/logs/stdio