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/snbgs1rw8kmrqbjk0gqz0bj0yc7y8zbp-profile.drv
   /gnu/store/clk5f65kpv83ffw2r6a57pd3b1zdiczs-guix-past.drv
   /gnu/store/mbhk56dbr23xgsy3kf03yky2ibmhzh8g-inferior-script.scm.drv
   /gnu/store/mym44sm9lpl8znhhaal6w19rp45f0bn5-profile.drv
The following profile hooks will be built:
   /gnu/store/d9s8a8y6nxc707a0r5asvqsm5dxsnqds-fonts-dir.drv
   /gnu/store/jfb4d9ji8djkk8k40myrxr272n7vii2w-ca-certificate-bundle.drv
   /gnu/store/xa5pz09y2p3g3g73v488xiwz2zrxr2n2-info-dir.drv
   /gnu/store/xrhwrlnshpyyl3p712pp4dlmgqi67390-guix-package-cache.drv
   /gnu/store/z4x2fdfghs10dzzv0sx7aydmz1dakjmw-emacs-subdirs.drv
building path(s) `/gnu/store/nr57g2hpv89zyslcqff3c22x9c60ng1x-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:207:5: warning: possibly unbound variable `modify-inputs'
past/packages/statistics.scm:208:7: warning: possibly unbound variable `replace'
past/packages/statistics.scm:208:7: warning: possibly unbound variable `gfortran-7'
(values (value "/gnu/store/nr57g2hpv89zyslcqff3c22x9c60ng1x-guix-past/share/guile/site/3.0"))
building path(s) `/gnu/store/lcpwiagifza623j59iq6rp0pxf0r491k-ca-certificate-bundle'
building path(s) `/gnu/store/5b99c5nphyf4jac267mgj39zacniribw-emacs-subdirs'
building path(s) `/gnu/store/gxli5lhj6msdq576lphxkfkcdf8bi6dr-fonts-dir'
building path(s) `/gnu/store/35xcj9n0zh5zgvcc7lnbmpgx4fxqw55b-info-dir'
building path(s) `/gnu/store/9hcmrglkzbhp6a86h79ql21xl8svn9fz-profile'
building path(s) `/gnu/store/4c55mrfqkkia88fpjd5pcsr763pb48n4-inferior-script.scm'
building path(s) `/gnu/store/jjf1cyfvli1nfizbl9s7xn3zc1a6b2f8-guix-package-cache'
(repl-version 0 1 1)
Generating package cache for '/gnu/store/9hcmrglkzbhp6a86h79ql21xl8svn9fz-profile'...
guix repl: package 'python' has been superseded by 'python2'
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)
guix repl: warning: ambiguous package specification `openssl@1.0'
guix repl: warning: choosing openssl@1.0.2u from gnu/packages/tls.scm:426:2
(exception unbound-variable (value #f) (value "Unbound variable: ~S") (value (modify-inputs)) (value #f))
builder for `/gnu/store/xrhwrlnshpyyl3p712pp4dlmgqi67390-guix-package-cache.drv' failed to produce output path `/gnu/store/jjf1cyfvli1nfizbl9s7xn3zc1a6b2f8-guix-package-cache'
cannot build derivation `/gnu/store/snbgs1rw8kmrqbjk0gqz0bj0yc7y8zbp-profile.drv': 1 dependencies couldn't be built
Backtrace:
In ice-9/boot-9.scm:
  1752:10 14 (with-exception-handler _ _ #:unwind? _ # _)
In unknown file:
          13 (apply-smob/0 #<thunk 7f6ad9414020>)
In ice-9/boot-9.scm:
    724:2 12 (call-with-prompt _ _ #<procedure default-prompt-handle?>)
In ice-9/eval.scm:
    619:8 11 (_ #(#(#<directory (guile-user) 7f6ad941dc80>)))
In cuirass/ui.scm:
   104:10 10 (run-cuirass-command _ . _)
In ice-9/boot-9.scm:
    152:2  9 (with-fluid* _ _ _)
    152:2  8 (with-fluid* _ _ _)
In ice-9/eval.scm:
   293:34  7 (_ #(#(#(#(#(#(#(#<directory (cuiras?> ?)) ?) ?) ?) ?) ?))
In ice-9/boot-9.scm:
  1752:10  6 (with-exception-handler _ _ #:unwind? _ # _)
In guix/store.scm:
   658:37  5 (thunk)
  2119:24  4 (run-with-store #<store-connection 256.99 7f6acfd068c0> ?)
In unknown file:
           3 (_ #<procedure 7f6aaccc70e0 at ice-9/eval.scm:330:13 ()> ?)
In guix/store.scm:
  1991:38  2 (_ #<store-connection 256.99 7f6aae5ad320>)
  1417:15  1 (_ #<store-connection 256.99 7f6aae5ad320> _ _)
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/snbgs1rw8kmrqbjk0gqz0bj0yc7y8zbp-profile.drv' failed"
      status: 1