☝ Buildbot (Sourceware): gcc - worker not available (master)

[builder--- via Gcc-testresults]

A retry build has been detected on builder gcc-autoregen while building gcc.

Full details are available at:
    https://builder.sourceware.org/buildbot/#/builders/269/builds/17443

Build state: worker not available
Revision: (unknown)
Worker: bbo1-1
Build Reason: (unknown)
Blamelist: Xi Ruoyao <xry...@xry111.site>

Steps:

- 0: worker_preparation ( exception )
    Logs:
        - err.text: 
https://builder.sourceware.org/buildbot/#/builders/269/builds/17443/steps/0/logs/err_text
        - err.html: 
https://builder.sourceware.org/buildbot/#/builders/269/builds/17443/steps/0/logs/err_html