Yeah, retrying the command fixed the issue. Is there any work in progress to detect this issue and not present it as a bug to be filed? — Kostas On April 28, 2022, Josselin Poiret wrote: > Hello, > > Konstantinos Karachalios via Bug reports for GNU Guix guix@gnu.org> > writes: > > > 100.0% guix substitute: warning: while fetching > > https://ci.guix.gnu.org/nar/zstd/a73j4wz6hpazg6yip7k92sj45j63k62b- > > texlive-psnfss-fixed-59745: server is somewhat slow guix substitute: > > warning: try `--no-substitutes' if the problem persists Backtrace: > 17 > > (primitive-load "/gnu/store/yvyfk9rpnh8kb6jxsa1m4q5p1bnh3l22- > compute- > > guix-derivation") In ice-9/eval.scm: 155:9 16 (_ _) 159:9 15 (_ > > #(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#(# ?) ?) ?) ?) > ?) ?) > > ?) ?) ?) ?) ?) ?) ?) ?) ?) ?)) In ice-9/boot-9.scm: 152:2 14 (with- > > fluid* _ _ _) 152:2 13 (with-fluid* _ _ _) In ./guix/store.scm: > 2129:24 > > 12 (run-with-store # _ > #:guile- > > for-build _ #:system _ #:target _) 1966:8 11 (_ _) In > ./guix/gexp.scm: > > 299:22 10 (_ _) 1180:2 9 (_ _) 1046:2 8 (_ _) 892:4 7 (_ _) In > > ./guix/store.scm: 2014:12 6 (_ # 7ffa98357640>) > > 1410:13 5 (map/accumulate-builds # 7ffa98357640> > > # ?) 1410:13 4 > (map/accumulate- > > builds # # 7ffa899dd900 > > at ./guix/stor?> ?) 1410:13 3 (map/accumulate-builds # connection > > 256.99 7ffa98357640> # ?) > > 1410:13 2 (map/accumulate-builds # 7ffa98357640> > > # ?) 1406:5 1 > (map/accumulate- > > builds # # 7ffa7a33c100 > > at ./guix/stor?> ?) 1421:15 0 (_ # 7ffa98357640> > > _ _) ./guix/store.scm:1421:15: ERROR: 1. &store-protocol-error: > message: > > "some substitutes for the outputs of derivation > > `/gnu/store/bgz01khbwy0h8jv64f0cnydw8rliv6l5-texlive-psnfss-fixed- > > 59745.drv' failed (usually happens due to networking issues); try > `-- > > fallback' to build derivation from source " status: 1 guix pull: > error: > > Looks like you or the substitute server may have had transient > networking issues. Retrying might resolve the problem. > > Best, > --  > Josselin Poiret