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/bx76dkb4xqmdwqnd9p07w18b0glr6dgi-profile.drv
   /gnu/store/lvqx0918znn394xk0vggzrc30bgihd3q-guix-hpc.drv
   /gnu/store/1d8hb1zs50vbb6ac9jqakffddix5xkci-profile.drv
   /gnu/store/z1vfih3x99w5si0qivrv5drwd6kvkymd-inferior-script.scm.drv
The following profile hooks will be built:
   /gnu/store/fpa7a69rsrp10ip1sdviji1mqb8f3y5n-fonts-dir.drv
   /gnu/store/rrqi49r65vlx7x4s409ilw594zzjwppq-guix-package-cache.drv
   /gnu/store/sd0qkrny4crpx5wbwkp9y5f051dyw890-info-dir.drv
   /gnu/store/x907vixgxjl999pm1hrgwp4qn0i1jx2j-emacs-subdirs.drv
   /gnu/store/zwhf2bpcxn63qbh7nxhphajr2337a9vm-ca-certificate-bundle.drv
building path(s) `/gnu/store/bv9ic5qpk3viip7sir1mvhvgiz0x9ygz-guix-hpc'
(repl-version 0 1 1)
ufrgs/ufrgs.scm:70:4: warning: possibly unbound variable `r-data-tree'
utils/python-science.scm:177:5: warning: possibly unbound variable `python-pytorch'
utils/python-science.scm:203:5: warning: possibly unbound variable `python-pytorch'
(values (value "/gnu/store/bv9ic5qpk3viip7sir1mvhvgiz0x9ygz-guix-hpc/share/guile/site/3.0"))
building path(s) `/gnu/store/yyk5byhphrhapd9cfqrxr5ivzp6hjjxr-ca-certificate-bundle'
building path(s) `/gnu/store/kyxyn1psihxba58kkifpx48icvv4g9x7-emacs-subdirs'
building path(s) `/gnu/store/wh6p8i5c1140ahz1b397yvzjmp7lks21-fonts-dir'
building path(s) `/gnu/store/qb9cggf0icf9qvkrpfsb06lihfmj8z19-info-dir'
building path(s) `/gnu/store/m6rfcnkzb5ddvsk0y38iab1i9p0j6nsn-profile'
building path(s) `/gnu/store/smc3siphhvd2j1bd1clvj1jwdyqm0qwk-inferior-script.scm'
building path(s) `/gnu/store/d6p0vdcakj7x2nj7n624wr989nzrfzjf-guix-package-cache'
(repl-version 0 1 1)
Generating package cache for '/gnu/store/m6rfcnkzb5ddvsk0y38iab1i9p0j6nsn-profile'...
(exception unbound-variable (value #f) (value "Unbound variable: ~S") (value (python-pytorch)) (value #f))
builder for `/gnu/store/rrqi49r65vlx7x4s409ilw594zzjwppq-guix-package-cache.drv' failed to produce output path `/gnu/store/d6p0vdcakj7x2nj7n624wr989nzrfzjf-guix-package-cache'
cannot build derivation `/gnu/store/bx76dkb4xqmdwqnd9p07w18b0glr6dgi-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 7f140daa5340>)
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) 7f140daa8c80>)))
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 7f140c9acdc0> ?)
In cuirass/scripts/evaluate.scm:
     89:8  3 (_ _)
In guix/store.scm:
  1995:38  2 (_ #<store-connection 256.99 7f13e3943fa0>)
  1421:15  1 (_ #<store-connection 256.99 7f13e3943fa0> _ _)
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/bx76dkb4xqmdwqnd9p07w18b0glr6dgi-profile.drv' failed"
      status: 1