Computing Guix derivation for 'x86_64-linux'...  
substitute: 
substitute: updating substitutes from 'https://ci.guix.gnu.org'...   0.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'...  50.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: 
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'...   0.0%
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'...  50.0%
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0%
The following derivations will be built:
   /gnu/store/dc8gf32x8l99anyjm6zk7r6vvazv0sdq-profile.drv
   /gnu/store/avjqw84gdhw70rbbji2j14mp1cvzkr50-guix-hpc.drv
   /gnu/store/lg344dvvknvsxs4wj69k299hl4r127mi-profile.drv
   /gnu/store/v0wl1g1ln3842kpadrxn0d7azakkz82z-inferior-script.scm.drv
The following profile hooks will be built:
   /gnu/store/4aai4js7ijrrb471n73lp41b8n8g14cy-fonts-dir.drv
   /gnu/store/gl7vxvc29ii4x7q46qd7z586dgq8v4p0-info-dir.drv
   /gnu/store/jcc5jnli0avxi74g5ahw8jdm3h9x8kv7-emacs-subdirs.drv
   /gnu/store/kj2sfq9h9a4a8mkw6g5z69ipyrh079xm-guix-package-cache.drv
   /gnu/store/qd7bh4ihganl2qkr9m5f8w7kb5ygbvyr-ca-certificate-bundle.drv
building path(s) `/gnu/store/b3j1dg48k6p0spc018ji4aj8hhxgw4p6-guix-hpc'
(repl-version 0 1 1)
utils/python-science.scm:177:5: warning: possibly unbound variable `python-pytorch'
(values (value "/gnu/store/b3j1dg48k6p0spc018ji4aj8hhxgw4p6-guix-hpc/share/guile/site/3.0"))
building path(s) `/gnu/store/k5zhz1r929j5i67q1ld3qnj7nyqbg0h7-ca-certificate-bundle'
building path(s) `/gnu/store/l26yyvvk9yxhqqlzplh95cvb863v3fpb-emacs-subdirs'
building path(s) `/gnu/store/mw7aq83bxaafcf14f4hi43n7dk7rxnj8-fonts-dir'
building path(s) `/gnu/store/s82slgqr2gglcdby33dj2gfal33fm6n7-info-dir'
building path(s) `/gnu/store/ikf6ryy08n47nwwp2i6s31ri7xmnh1na-profile'
building path(s) `/gnu/store/daxn2x8lp7dnlna92igzv16xk92g7sax-inferior-script.scm'
building path(s) `/gnu/store/pa79mpwmrc0i0ggghw10ndvvvma6cnrv-guix-package-cache'
(repl-version 0 1 1)
Generating package cache for '/gnu/store/ikf6ryy08n47nwwp2i6s31ri7xmnh1na-profile'...
(exception unbound-variable (value #f) (value "Unbound variable: ~S") (value (python-pytorch)) (value #f))
builder for `/gnu/store/kj2sfq9h9a4a8mkw6g5z69ipyrh079xm-guix-package-cache.drv' failed to produce output path `/gnu/store/pa79mpwmrc0i0ggghw10ndvvvma6cnrv-guix-package-cache'
cannot build derivation `/gnu/store/dc8gf32x8l99anyjm6zk7r6vvazv0sdq-profile.drv': 1 dependencies couldn't be built
Backtrace:
In ice-9/boot-9.scm:
  1752:10 12 (with-exception-handler _ _ #:unwind? _ # _)
In unknown file:
          11 (apply-smob/0 #<thunk 7f417a7f4340>)
In ice-9/boot-9.scm:
    724:2 10 (call-with-prompt _ _ #<procedure default-prompt-handle?>)
In ice-9/eval.scm:
    619:8  9 (_ #(#(#<directory (guile-user) 7f417a7f7c80>)))
In cuirass/ui.scm:
   104:10  8 (run-cuirass-command _ . _)
In cuirass/scripts/evaluate.scm:
   107:27  7 (cuirass-evaluate _)
In ice-9/boot-9.scm:
  1752:10  6 (with-exception-handler _ _ #:unwind? _ # _)
In guix/store.scm:
   658:37  5 (thunk)
  2123:25  4 (run-with-store #<store-connection 256.99 7f41796a3dc0> ?)
In cuirass/scripts/evaluate.scm:
     89:8  3 (_ _)
In guix/store.scm:
  1995:38  2 (_ #<store-connection 256.99 7f4150a063c0>)
  1421:15  1 (_ #<store-connection 256.99 7f4150a063c0> _ _)
In ice-9/boot-9.scm:
  1685:16  0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1685:16: In procedure raise-exception:
ERROR:
  1. &store-protocol-error:
      message: "build of `/gnu/store/dc8gf32x8l99anyjm6zk7r6vvazv0sdq-profile.drv' failed"
      status: 1