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/72idjinlzx6rzfd2a9srh959rrpjv9aj-profile.drv
   /gnu/store/salkdssw32n4wq1hd91wlwpyfi7n7646-guix-hpc.drv
   /gnu/store/m4jjfkbn48aifyk8yklqi1x7xpjy82bb-inferior-script.scm.drv
   /gnu/store/cylyzwfnvf6l35jgyx87a8g42j5az8ss-inferior-script.scm.drv
   /gnu/store/yvgbdl6raw5hyfhklyv2kyd3vf31i3fc-profile.drv
The following profile hooks will be built:
   /gnu/store/1mhf6zngis0j5rs65z1v91gnz2vry1zl-ca-certificate-bundle.drv
   /gnu/store/71mffl9blcnzi7q7jm35jwcdm1vc0dw5-info-dir.drv
   /gnu/store/j22dhzv7ssql35zc8w3lvdmqmpjbjabk-emacs-subdirs.drv
   /gnu/store/ndihjqlyj063qkr1c7fvl17qa7yg1q21-guix-package-cache.drv
   /gnu/store/ymwc7gjiz53xpaq7miy7p67c5y98wfiv-fonts-dir.drv
building path(s) `/gnu/store/bawjsli4kdia5pmfq453n8jgpk7yr02d-inferior-script.scm'
building path(s) `/gnu/store/38fbvvhx1llfqlc1pl6g0z68jvv79zgp-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/38fbvvhx1llfqlc1pl6g0z68jvv79zgp-guix-hpc/share/guile/site/3.0"))
building path(s) `/gnu/store/xdwwf9b2m6n2701vivpmqdxjskj4mw9g-ca-certificate-bundle'
building path(s) `/gnu/store/wp9kplc74fh81c6rjf7aw50a558n8vca-emacs-subdirs'
building path(s) `/gnu/store/j25adkra8fk6dwhg771k7vhyxz369svd-fonts-dir'
building path(s) `/gnu/store/2r4q6mwbxm1isdbl2qmd8nm73wqj0287-info-dir'
building path(s) `/gnu/store/16bghwxfkvj47mrjf659xny61wbwpqfm-profile'
building path(s) `/gnu/store/lmjvmnch06cnjl93pvqbg9g69dd95wi4-inferior-script.scm'
building path(s) `/gnu/store/8d2rahsasc9nxixkqknys8fb1m030csi-guix-package-cache'
(repl-version 0 1 1)
Generating package cache for '/gnu/store/16bghwxfkvj47mrjf659xny61wbwpqfm-profile'...
(exception unbound-variable (value #f) (value "Unbound variable: ~S") (value (python-pytorch)) (value #f))
builder for `/gnu/store/ndihjqlyj063qkr1c7fvl17qa7yg1q21-guix-package-cache.drv' failed to produce output path `/gnu/store/8d2rahsasc9nxixkqknys8fb1m030csi-guix-package-cache'
cannot build derivation `/gnu/store/72idjinlzx6rzfd2a9srh959rrpjv9aj-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 7fa217ea9340>)
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) 7fa217eacc80>)))
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 7fa216d9edc0> ?)
In cuirass/scripts/evaluate.scm:
     89:8  3 (_ _)
In guix/store.scm:
  1995:38  2 (_ #<store-connection 256.99 7fa1ee07e3c0>)
  1421:15  1 (_ #<store-connection 256.99 7fa1ee07e3c0> _ _)
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/72idjinlzx6rzfd2a9srh959rrpjv9aj-profile.drv' failed"
      status: 1