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/5cmwjggiwmcdac9f0gd90x9r33bwzd15-profile.drv
   /gnu/store/xfwdqk2zxrs657ajrb1y02zh0225nk7h-guix-past.drv
   /gnu/store/6znq2nzscb5fjzrxwqvrkx91mnd0hil8-inferior-script.scm.drv
   /gnu/store/ifxgq6g9wg9x5b2g3g7rvb75msdddhga-profile.drv
   /gnu/store/zav9qw8w7ncxaivyyjk92z6w4k7mqzi6-inferior-script.scm.drv
The following profile hooks will be built:
   /gnu/store/2886p3wjanwc99d2j1x9wsnl85iha5xv-emacs-subdirs.drv
   /gnu/store/mdvh05cm7h7r87ichy9qdcfjhlw7ckaq-ca-certificate-bundle.drv
   /gnu/store/q1spx71xbyf0jqnak0vr3znn51ss6j4s-fonts-dir.drv
   /gnu/store/q7bx1jzj4d05f4vbr6vn1y0vph9b30xs-info-dir.drv
   /gnu/store/xfs30v8jb7dlnr0h0iz2cl6myrl4ybd9-guix-package-cache.drv
building path(s) `/gnu/store/6yvkk2gdh4q4ayhpcw24hc3fljmcmmc7-inferior-script.scm'
building path(s) `/gnu/store/ixmyxv3sckf1g1yqsw0ig88ppaz5c6xp-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)
(values (value "/gnu/store/ixmyxv3sckf1g1yqsw0ig88ppaz5c6xp-guix-past/share/guile/site/3.0"))
building path(s) `/gnu/store/irqwqdx62nxlzgxpdg6vp6wf0kij9kb8-ca-certificate-bundle'
building path(s) `/gnu/store/2lk4fk8lqab8k7vyh36h8qzgbyq7vhzx-emacs-subdirs'
building path(s) `/gnu/store/wzw07z5bc2d4i1n276r9wzqcdsrlg50f-fonts-dir'
building path(s) `/gnu/store/7sj51xjwcincv5i7fkxybpyy2fgrfn4i-info-dir'
building path(s) `/gnu/store/pvl641b4mywz3jljjsyv593djinywz5h-profile'
building path(s) `/gnu/store/fd86bqk2vhk0wlgm2zxazcgx3cl7ia3w-inferior-script.scm'
building path(s) `/gnu/store/xir42awpkgzbwjb2yb6gyjsznz6fv2l7-guix-package-cache'
(repl-version 0 1 1)
Generating package cache for '/gnu/store/pvl641b4mywz3jljjsyv593djinywz5h-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
(values (value "/gnu/store/xir42awpkgzbwjb2yb6gyjsznz6fv2l7-guix-package-cache/lib/guix/package.cache"))
building path(s) `/gnu/store/bil4xm8fwca02di78hm1rilis71pyi22-profile'
Backtrace:
In ice-9/boot-9.scm:
  1752:10 14 (with-exception-handler _ _ #:unwind? _ # _)
In unknown file:
          13 (apply-smob/0 #<thunk 7fc523c68020>)
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) 7fc523c71c80>)))
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:
    619:8  7 (_ #(#(#(#(#(#(#(#(#(#(#<di?> ?)) ?) ?) ?) ?) ?) ?) ?) ?))
In ice-9/threads.scm:
   288:21  6 (loop _)
In ice-9/boot-9.scm:
  1752:10  5 (with-exception-handler _ _ #:unwind? _ # _)
In guix/store.scm:
   658:37  4 (thunk)
In ice-9/eval.scm:
   293:34  3 (_ #(#(#(#(#(#<directory (cuirass scripts ?>) ?) ?) ?) ?))
In guix/utils.scm:
    786:8  2 (call-with-temporary-directory #<procedure 7fc4fdb80500?>)
In guix/inferior.scm:
    259:2  1 (_ _)
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. &inferior-exception:
      arguments: (%exception #<inferior-object #<&package-input-error package: #<package perl@5.14.4 past/packages/perl.scm:27 7fd099325b40> input: #<package gcc@7.5.0 gnu/packages/gcc.scm:536 7fd09e862e60>>>)
      inferior: #<inferior pipe (0 1 1) 7fc4fdb80b40>
      stack: ((#f ("ice-9/boot-9.scm" 1763 13)) (raise-exception ("ice-9/boot-9.scm" 1666 16)) (raise-exception ("ice-9/boot-9.scm" 1668 16)) (map1 ("srfi/srfi-1.scm" 585 17)) (map1 ("srfi/srfi-1.scm" 585 29)) (bag->derivation ("guix/packages.scm" 1426 25)) (thunk ("guix/packages.scm" 1493 22)) (package-derivation ("guix/packages.scm" 1175 16)) (#f ("gnu/ci.scm" 395 24)) (any1 ("srfi/srfi-1.scm" 857 15)) (filter-map ("srfi/srfi-1.scm" 690 23)) (map1 ("srfi/srfi-1.scm" 585 17)) (append-map ("srfi/srfi-1.scm" 672 15)) (cuirass-jobs ("gnu/ci.scm" 486 4)) (#f ("ice-9/eval.scm" 158 9)) (with-exception-handler ("ice-9/boot-9.scm" 1735 10)) (call-with-prompt ("ice-9/boot-9.scm" 717 2)) (dynamic-wind ("ice-9/boot-9.scm" 141 2)) (#f (#f #f #f)) (#f ("guix/repl.scm" 98 21)) (with-exception-handler ("ice-9/boot-9.scm" 1735 10)) (with-exception-handler ("ice-9/boot-9.scm" 1730 15)) (#f ("guix/repl.scm" 125 7)))