As the message suggests, this looks like a network issue. Either a transient failure on your network, or some issue with the build farm. Have you tried using --fallback (in case of network issue, it will build locally, so it can take a long time)?
Thanks for the report!
On 2020年8月17日 5:51:56 GMT-04:00, charlie <firstname.lastname@example.org> wrote:
Toggle quote (20 lines)
>Text as follows:
>./guix/store.scm:1367:15: Throw to key `srfi-34' with args
>&store-protocol-error [message: "some substitutes for the outputs of