Hi Ludo, On Wed, 09 Jan 2019 14:38:40 +0100 Ludovic Courtès wrote: > Could you paste the backtrace you got? I'm sorry, it is always good to really look at the details of the stack trace and not only recognize there is one... :-) Guix is first checking the CANs, but then obviously failing with a DNS-lookup for the SWH. So, this one is working properly, keeping ticket closed. Björn $ guix build -S guile-bash ERROR: ld.so: object 'libgtk3-nocsd.so.0' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored. The following derivation will be built: /gnu/store/7w2xsqy12lyfshgpz61z8cg3s5zjsscs-guile-bash-0.1.6-0.1eabc56-checkout.drv building /gnu/store/7w2xsqy12lyfshgpz61z8cg3s5zjsscs-guile-bash-0.1.6-0.1eabc56-checkout.drv... environment variable `PATH' set to `/gnu/store/q09sy224qnxrp982z4xfaxi19721mjx8-gzip-1.9/bin:/gnu/store/ipx79bfj2mrc8npj7s3qi3zri11jfhaw-tar-1.30/bin' Initialized empty Git repository in /gnu/store/7p7mkiqv9ah6x0x20qzpas44sdf7jqkl-guile-bash-0.1.6-0.1eabc56-checkout/.git/ fatal: unable to access 'https://anonscm.debian.org/cgit/users/kaction-guest/retired/dev.guile-bash.git/': Could not resolve host: anonscm.debian.org Failed to do a shallow fetch; retrying a full fetch... fatal: unable to access 'https://anonscm.debian.org/cgit/users/kaction-guest/retired/dev.guile-bash.git/': Could not resolve host: anonscm.debian.org git-fetch: '/gnu/store/26s82xpawy0z13lfhkd7iprr2ahcbl5f-git-minimal-2.20.1/bin/git fetch origin' failed with exit code 128 Trying content-addressed mirror at mirror.hydra.gnu.org... Trying content-addressed mirror at berlin.guixsd.org... Trying content-addressed mirror at mirror.hydra.gnu.org... Trying content-addressed mirror at berlin.guixsd.org... Backtrace: 5 (primitive-load "/gnu/store/b29qhm9vjrd3kvyip2jb7s34jkp?") In ./guix/swh.scm: 540:13 4 (swh-download "https://anonscm.debian.org/cgit/users/k?" ?) 197:17 3 (call "https://archive.softwareheritage.org/api/1/revi?" ?) In web/client.scm: 437:0 2 (http-get "https://archive.softwareheritage.org/api/1/?" ?) 181:7 1 (open-socket-for-uri _) In unknown file: 0 (getaddrinfo "archive.softwareheritage.org" "https" 0 # ?) ERROR: In procedure getaddrinfo: In procedure getaddrinfo: System error builder for `/gnu/store/7w2xsqy12lyfshgpz61z8cg3s5zjsscs-guile-bash-0.1.6-0.1eabc56-checkout.drv' failed with exit code 1 build of /gnu/store/7w2xsqy12lyfshgpz61z8cg3s5zjsscs-guile-bash-0.1.6-0.1eabc56-checkout.drv failed View build log at '/var/log/guix/drvs/7w/2xsqy12lyfshgpz61z8cg3s5zjsscs-guile-bash-0.1.6-0.1eabc56-checkout.drv.bz2'. guix build: error: build failed: build of `/gnu/store/7w2xsqy12lyfshgpz61z8cg3s5zjsscs-guile-bash-0.1.6-0.1eabc56-checkout.drv' failed Here the