☝ Buildbot (Sourceware): gcc - worker cannot substantiate (master)

[builder@sourceware.org]

A build exception has been detected on builder gcc-fedora-mingw while building gcc.

Full details are available at:
    https://builder.sourceware.org/buildbot/#/builders/262/builds/11770

Build state: worker cannot substantiate
Revision: (unknown)
Worker: bb2-1
Build Reason: (unknown)
Blamelist: GCC Administrator <gccadmin@gcc.gnu.org>

Steps:

- 0: worker_preparation ( exception )
    Logs:
        - err.text: https://builder.sourceware.org/buildbot/#/builders/262/builds/11770/steps/0/logs/err_text
        - err.html: https://builder.sourceware.org/buildbot/#/builders/262/builds/11770/steps/0/logs/err_html