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/aci4ipchh8jp56l9s76lx8ddr4635f67-profile.drv
   /gnu/store/p8h6k606v9svi6c469nsd3yikpnncpal-guix-hpc.drv
   /gnu/store/yfnzips661avqawxzdcb09yad6p45xsy-inferior-script.scm.drv
   /gnu/store/ld5ga7zp3vfskk7hrs5a91yhnzjg6fz6-inferior-script.scm.drv
   /gnu/store/n66q9hm2kp20m5f8mc3gybcf033s2rfm-profile.drv
The following profile hooks will be built:
   /gnu/store/134za08hkkszw1jvq4826k5r9zyicdvi-ca-certificate-bundle.drv
   /gnu/store/2hks41pzkpcz8kn2jn19vb6mpii7bza9-info-dir.drv
   /gnu/store/gi93ld2p6nzhhirvj512ncka7xsvm4m1-emacs-subdirs.drv
   /gnu/store/xr0lg9j7aghffhkbn630z6gwq55s6cc7-guix-package-cache.drv
   /gnu/store/ysr70xf9ifc7x2c7xmhckqp12bxy7gvl-fonts-dir.drv
building path(s) `/gnu/store/1797gss13fs7kb9m4i634y0avrs68d7w-inferior-script.scm'
building path(s) `/gnu/store/9677if4sk09h30kanw7p4qfdgc5758g5-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/9677if4sk09h30kanw7p4qfdgc5758g5-guix-hpc/share/guile/site/3.0"))
building path(s) `/gnu/store/c708rn5zlaxc9c5q9kl9c6cyi87zvf5s-ca-certificate-bundle'
building path(s) `/gnu/store/8mpcz7p7iw7dc7ybr8sk7gq88qwfwyx3-emacs-subdirs'
building path(s) `/gnu/store/s287ils8yh3va00ay57gxa9j8lkyk9xh-fonts-dir'
building path(s) `/gnu/store/qxxcvvq9c9d5krsjpch68gk3j68favkk-info-dir'
building path(s) `/gnu/store/gykh51r2j4gn42lxrbsbsjk6lsqi9wfj-profile'
building path(s) `/gnu/store/3bgnm1vjndrgyb4mcvr3zi57vpdl7hsy-inferior-script.scm'
building path(s) `/gnu/store/bm9l21mlr07cr4hyg00fsbgwmikpvfvf-guix-package-cache'
(repl-version 0 1 1)
Generating package cache for '/gnu/store/gykh51r2j4gn42lxrbsbsjk6lsqi9wfj-profile'...
(exception unbound-variable (value #f) (value "Unbound variable: ~S") (value (python-pytorch)) (value #f))
builder for `/gnu/store/xr0lg9j7aghffhkbn630z6gwq55s6cc7-guix-package-cache.drv' failed to produce output path `/gnu/store/bm9l21mlr07cr4hyg00fsbgwmikpvfvf-guix-package-cache'
cannot build derivation `/gnu/store/aci4ipchh8jp56l9s76lx8ddr4635f67-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 7f862a80a340>)
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) 7f862a80dc80>)))
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 7f8629700dc0> ?)
In cuirass/scripts/evaluate.scm:
     89:8  3 (_ _)
In guix/store.scm:
  1995:38  2 (_ #<store-connection 256.99 7f8600c42280>)
  1421:15  1 (_ #<store-connection 256.99 7f8600c42280> _ _)
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/aci4ipchh8jp56l9s76lx8ddr4635f67-profile.drv' failed"
      status: 1