Most of the substitutes I am requesting from <berlin.guixsd.org> are failing as shown below. Using --fallback does work.
$ guix build --no-grafts go@1.11
276.7 MB will be downloaded:
/gnu/store/zgdbdy1f9ki5v230qkkzs2kzk88wdgqd-go-1.11.1-doc
/gnu/store/hic1m8z5ha07bk1hz7qlq38z1h5bnlki-go-1.11.1
/gnu/store/i1zh8fljz9lbf0335lmadmqlzayd5v58-go-1.11.1-tests
substituting /gnu/store/hic1m8z5ha07bk1hz7qlq38z1h5bnlki-go-1.11.1...
Backtrace:
3 (apply-smob/1 #<catch-closure 1591640>)
In ice-9/boot-9.scm:
705:2 2 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
In ice-9/eval.scm:
619:8 1 (_ #(#(#<directory (guile-user) 1614140>)))
In guix/ui.scm:
1583:12 0 (run-guix-command _ . _)
guix/ui.scm:1583:12: In procedure run-guix-command:
Bad Read-Header-Line header: #<eof>
substitution of /gnu/store/hic1m8z5ha07bk1hz7qlq38z1h5bnlki-go-1.11.1 failed
substituting /gnu/store/zgdbdy1f9ki5v230qkkzs2kzk88wdgqd-go-1.11.1-doc...
killing process 6597
killing process 6597: No such process
guix build: error: build failed: some substitutes for the outputs of derivation
`/gnu/store/594mjalsqpf5r1kcjh312mg9nlnsicxf-go-1.11.1.drv' failed (usually
happens due to networking issues); try `--fallback' to build derivation from
source
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