[Factor-builds] mason on linux-x86-64: build loop error

[<sl...@fa...>]

Fatal error on linux-mason

Name or service not known
(U) Quotation: [ set-namestack init-catchstack self quot>> call -> stop ]
(O) Word: build-loop
(O) Word: update-sources
(O) Word: latest-boot-image
(O) Word: maybe-download-image
(O) Word: need-new-image?
(O) Word: download-checksum
(O) Word: download-checksums
(O) Word: http-get*
(O) Word: http-request
(O) Word: ( gensym )
(O) Word: <request-socket>
(O) Word: <client>
(O) Method: M\ inet (client)
(O) Method: M\ inet resolve-host
(O) Method: M\ string resolve-host
(O) Method: M\ unix addrinfo-error
(O) Method: M\ object throw
(U) Quotation: [
        OBJ-CURRENT-THREAD special-object error-thread set-global
        current-continuation -> error-continuation set-global
        [ original-error set-global ] [ rethrow ] bi
    ]