Computing Guix derivation for 'x86_64-linux'...  
substitute: 
substitute: updating substitutes from 'https://guix.bordeaux.inria.fr'...   0.0%
substitute: updating substitutes from 'https://guix.bordeaux.inria.fr'...  50.0%
substitute: updating substitutes from 'https://guix.bordeaux.inria.fr'... 100.0%
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%
The following derivations will be built:
  /gnu/store/wilblf7zbncd094x65fv9b4ljr8l03vn-profile.drv
  /gnu/store/3msr2k22xkh3vxlipcj0i34igxr3gklf-profile.drv
  /gnu/store/yxkjz52bkn60jp56nh7r5bwnrhvk1ccy-guix-past.drv
  /gnu/store/binad8djdwynafw8yrhw0zvnvqz3nsjm-inferior-script.scm.drv
The following profile hooks will be built:
   /gnu/store/618sb2ivkkkcjcdwljavqqzrkdjh7p7q-guix-package-cache.drv
   /gnu/store/a0r0d5y8jmimkp6kw0g73m2yspngmhm7-info-dir.drv
   /gnu/store/b89qh4sqhspdngjky9npchxf9p3yd1wy-emacs-subdirs.drv
   /gnu/store/kpys4g4zws9b5aj9p9749s3cnwi00l45-fonts-dir.drv
   /gnu/store/s0xpnv45wabbpgjsvvrnbcak78rswqqy-ca-certificate-bundle.drv
building path(s) `/gnu/store/g05ff5myswv67bay4bwm6jai0pk24c9q-guix-past'
(repl-version 0 1 1)
WARNING: (past packages python): `openssl-1.0' imported from both (gnu packages tls) and (past packages tls)
WARNING: (past packages web): `openssl-1.0' imported from both (past packages tls) and (gnu packages tls)
WARNING: (past packages web): `openssl-1.0' imported from both (past packages tls) and (gnu packages tls)
WARNING: (past packages python): `openssl-1.0' imported from both (gnu packages tls) and (past packages tls)
past/packages/statistics.scm:210:5: warning: possibly unbound variable `modify-inputs'
past/packages/statistics.scm:211:7: warning: possibly unbound variable `replace'
past/packages/statistics.scm:211:7: warning: possibly unbound variable `gfortran-7'
past/packages/python.scm:402:12: warning: possibly unbound variable `customize-site'
(values (value "/gnu/store/g05ff5myswv67bay4bwm6jai0pk24c9q-guix-past/share/guile/site/3.0"))
building path(s) `/gnu/store/24gr6h547vdbya9hxaf6mw9ndnlzbg8m-ca-certificate-bundle'
building path(s) `/gnu/store/3bs421il5aq3hg72xv03zwfiz6nkbgvp-emacs-subdirs'
building path(s) `/gnu/store/q7xcmphi0jh799a8dcw9mmisp6lfxyam-fonts-dir'
building path(s) `/gnu/store/900aa9q8nda6fn43qxwda88g4s03v6fd-info-dir'
building path(s) `/gnu/store/hm8x5883r6b4n04y8npng5awkzjnf1cc-profile'
building path(s) `/gnu/store/fyzjvsnacgxr7gl3qgfqwgvgbgr6l72n-inferior-script.scm'
building path(s) `/gnu/store/rkqhmf74a6c5l5ml88mlan4svj0mnjmb-guix-package-cache'
(repl-version 0 1 1)
Generating package cache for '/gnu/store/hm8x5883r6b4n04y8npng5awkzjnf1cc-profile'...
(exception wrong-type-arg (value "scm_to_utf8_stringn") (value "Wrong type argument in position ~A (expecting ~A): ~S") (value (1 "string" #f)) (value (#f)))
builder for `/gnu/store/618sb2ivkkkcjcdwljavqqzrkdjh7p7q-guix-package-cache.drv' failed to produce output path `/gnu/store/rkqhmf74a6c5l5ml88mlan4svj0mnjmb-guix-package-cache'
cannot build derivation `/gnu/store/wilblf7zbncd094x65fv9b4ljr8l03vn-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 7f524a36f340>)
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) 7f524a372c80>)))
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)
  2177:25  4 (run-with-store #<store-connection 256.99 7f5246015fa0> ?)
In cuirass/scripts/evaluate.scm:
     89:8  3 (_ _)
In guix/store.scm:
  2049:38  2 (_ #<store-connection 256.99 7f521f087dc0>)
  1428:15  1 (_ #<store-connection 256.99 7f521f087dc0> _ _)
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/wilblf7zbncd094x65fv9b4ljr8l03vn-profile.drv' failed"
      status: 1