[MacPorts] #68575: c-ares @1.21.0_0: Failed to fetch signature for archive: The requested URL returned error: 503 Backend is unhealthy

[MacPorts]

#68575: c-ares @1.21.0_0: Failed to fetch signature for archive: The requested URL
returned error: 503 Backend is unhealthy
----------------------+--------------------------
 Reporter:  thetrial  |      Owner:  tobypeterson
     Type:  defect    |     Status:  assigned
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.8.1
 Keywords:            |       Port:  c-ares
----------------------+--------------------------
 Several times … temporary broken? A deeper problem?

 {{{
 :msg:archivefetch --->  Attempting to fetch
 c-ares-1.21.0_0.darwin_16.x86_64.tbz2 from
 https://packages.macports.org/c-ares
 :msg:archivefetch --->  Attempting to fetch
 c-ares-1.21.0_0.darwin_16.x86_64.tbz2.rmd160 from
 https://packages.macports.org/c-ares
 :debug:archivefetch The requested URL returned error: 503 Backend is
 unhealthy
 :debug:archivefetch     while executing
 :debug:archivefetch "curl fetch --effective-url effectiveURL
 {*}$fetch_options ${file_url}.rmd160 $signature"
 :error:archivefetch Failed to archivefetch c-ares: Failed to fetch
 signature for archive: The requested URL returned error: 503 Backend is
 unhealthy
 :debug:archivefetch Error code: NONE
 :debug:archivefetch Backtrace: Failed to fetch signature for archive: The
 requested URL returned error: 503 Backend is unhealthy
 :debug:archivefetch     while executing
 :debug:archivefetch "portarchivefetch::fetchfiles"
 :debug:archivefetch     (procedure "portarchivefetch::archivefetch_main"
 line 5)
 :debug:archivefetch     invoked from within
 :debug:archivefetch "$procedure $targetname"
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/68575>
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