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/d3c1jwar97g7b00qixni8v1kw0qslr5q-profile.drv
   /gnu/store/30g999vsg55w1ssb67vsrjhb3d62igrs-guix-hpc.drv
   /gnu/store/76d879ci6n4bggx447gf9qzf0344wh04-profile.drv
   /gnu/store/d2qw0bi8gbmmbf72kwgjwwkirnzbi0bp-inferior-script.scm.drv
The following profile hooks will be built:
   /gnu/store/4a2v5bxh3bvpy3iz2ls32a2x9bnpmgj6-ca-certificate-bundle.drv
   /gnu/store/5xcb2d7i9hlmbr1wyka49wfs9b7y56ij-fonts-dir.drv
   /gnu/store/6i7m02hp7pk0i185rx7wfax6cww3qpnf-info-dir.drv
   /gnu/store/9js0zl5s8xls89yfk7zkd1svl2pp42x2-guix-package-cache.drv
   /gnu/store/vqrm9f3wigrfn8rb2f7yb6zzlwazx905-emacs-subdirs.drv
building path(s) `/gnu/store/jm3wf0pnxrmkby3yn8nvk04hn3nd1rv5-guix-hpc'
(repl-version 0 1 1)
utils/python-science.scm:177:5: warning: possibly unbound variable `python-pytorch'
(values (value "/gnu/store/jm3wf0pnxrmkby3yn8nvk04hn3nd1rv5-guix-hpc/share/guile/site/3.0"))
building path(s) `/gnu/store/i084r6cx1l59144vh50f499h8r0kyild-ca-certificate-bundle'
building path(s) `/gnu/store/kqm7yf7ixxzky7nljnvnq9h52m9c6ryx-emacs-subdirs'
building path(s) `/gnu/store/6fw89rbdjpysl8a8j2450hv9zpn74nmg-fonts-dir'
building path(s) `/gnu/store/xwcliajymks5vxb8zydkwr9sdhj83gcz-info-dir'
building path(s) `/gnu/store/rynhxnfs48kmc9fyxs4gi2fk221sz6zs-profile'
building path(s) `/gnu/store/pzw19lw7v21dfmxb97vccp2mvmwq3n68-inferior-script.scm'
building path(s) `/gnu/store/mbm2bk5sfpqi555cmmwdxbrr4ifs3vf0-guix-package-cache'
(repl-version 0 1 1)
Generating package cache for '/gnu/store/rynhxnfs48kmc9fyxs4gi2fk221sz6zs-profile'...
(exception unbound-variable (value #f) (value "Unbound variable: ~S") (value (python-pytorch)) (value #f))
builder for `/gnu/store/9js0zl5s8xls89yfk7zkd1svl2pp42x2-guix-package-cache.drv' failed to produce output path `/gnu/store/mbm2bk5sfpqi555cmmwdxbrr4ifs3vf0-guix-package-cache'
cannot build derivation `/gnu/store/d3c1jwar97g7b00qixni8v1kw0qslr5q-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 7fb67d308340>)
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) 7fb67d30bc80>)))
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 7fb67c1fedc0> ?)
In cuirass/scripts/evaluate.scm:
     89:8  3 (_ _)
In guix/store.scm:
  1995:38  2 (_ #<store-connection 256.99 7fb6535a1320>)
  1421:15  1 (_ #<store-connection 256.99 7fb6535a1320> _ _)
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/d3c1jwar97g7b00qixni8v1kw0qslr5q-profile.drv' failed"
      status: 1