After a guix pull:
Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
Authenticating channel 'guix', commits 9edb3f6 to c9e51ab (37,852 new commits)...
Building from this channel:
guix https://git.savannah.gnu.org/git/guix.git c9e51ab
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0%
building /gnu/store/al0d6f30wj4f4w68v2gqdkb367v75f4x-config.scm.drv...
building /gnu/store/60h4f5jy7x05bgwjxp41gg5wsypaixn6-git.scm.drv...
building /gnu/store/n5w7gbkyyiav73f9yypafvw2n6z5jq8n-hash.scm.drv...
building /gnu/store/gckg4by3ppkvcdm7ixj60x6j97ycwwsw-module-import.drv...
building /gnu/store/k44ap0y1hqgmv34sqpvkri1xz6fw5g2w-module-import.drv...
building /gnu/store/zwlxxxw4jj9a731qjsgj0rwlgpdrndqi-module-import-compiled.drv...
building /gnu/store/2a8vq73hlykcrvbrihryyba2di0yivwj-module-import-compiled.drv...
building /gnu/store/i8zrrg06sb7ihfcbk4lq16pfjxpyvdm8-compute-guix-derivation.drv...
Computing Guix derivation for 'x86_64-linux'... -Backtrace:
14 (primitive-load "/gnu/store/qscj183y4qqqgwprjf2x747435avrysf-compute-guix-derivation")
In ice-9/eval.scm:
155:9 13 (_ _)
159:9 12 (_ #(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#<directory (guile-u?> ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
In ice-9/boot-9.scm:
152:2 11 (with-fluid* _ _ _)
152:2 10 (with-fluid* _ _ _)
In ./guix/store.scm:
2210:24 9 (run-with-store #<store-connection 256.99 7f012d2dfaa0> #<procedure 7f011193ffa0 at ./guix/self.scm:13?> ?)
2038:8 8 (_ #<store-connection 256.99 7f012d2dfaa0>)
In ./guix/gexp.scm:
300:22 7 (_ #<store-connection 256.99 7f012d2dfaa0>)
1218:2 6 (_ #<store-connection 256.99 7f012d2dfaa0>)
1085:2 5 (_ #<store-connection 256.99 7f012d2dfaa0>)
926:4 4 (_ #<store-connection 256.99 7f012d2dfaa0>)
In ./guix/store.scm:
2095:12 3 (_ #<store-connection 256.99 7f012d2dfaa0>)
1433:5 2 (map/accumulate-builds #<store-connection 256.99 7f012d2dfaa0> #<procedure 7f011f0248e0 at ./guix/stor?> ?)
1449:15 1 (_ #<store-connection 256.99 7f012d2dfaa0> ("/gnu/store/kgb4gz13825vrlfc2xfx8xyr95dfcc6q-guix-daemo?" ?) ?)
1449:15 0 (loop #f)

./guix/store.scm:1449:15: In procedure loop:
ERROR:
1. &store-protocol-error:
message: "`/gnu/store/5kj8lyybjrdl7xd0fx9g9vzkz8sklqsy-guix-1.4.0/bin/guix substitute' died unexpectedly"
status: 1
guix pull: error: You found a bug: the program '/gnu/store/qscj183y4qqqgwprjf2x747435avrysf-compute-guix-derivation'
failed to compute the derivation for Guix (version: "c9e51ab38d23d8c7a5546824375c6274a569499f"; system: "x86_64-linux";
host version: "1.4.0"; pull-version: 1).Please report the COMPLETE output above by email to

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