I saw the following backtrace on core-updates-frozen, commit
869d69ad3248288ffe30264f5e5bd760792ca758, while fetching substitutes:
substituting /gnu/store/xbxrx9yqgqbv6949gl9v9h2wm2y1iwqh-scikit-image-0.18.1.tar.gz...
scikit-image-0.18.1.tar.gz 28.3MiB 8.42GiB/s 00:00 [################ ] 89.9%Backtrace:
19 (apply-smob/0 #<thunk 7f44ee993f60>)
724:2 18 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
619:8 17 (_ #(#(#<directory (guile-user) 7f44ee98dc80>)))
2169:10 15 (run-guix-command _ . _)
1752:10 14 (with-exception-handler _ _ #:unwind? _ # _)
802:4 13 (call-with-status-report _ _)
1752:10 12 (with-exception-handler _ _ #:unwind? _ # _)
1320:8 10 (call-with-build-handler _ _)
1320:8 9 (call-with-build-handler #<procedure 7f44ed25e150 at g…> …)
In guix/scripts/build.scm:
1421:15 7 (_ #<store-connection 256.99 7f44ee90ef00> _ _)
759:13 6 (process-stderr _ _)
5 (display "@ substituter-succeeded /gnu/store/xbxrx9yqg…" …)
639:6 3 (_ (download-progress "/gnu/store/xbxrx9yqgqbv6949g…" …) …)
223:17 2 (display-download-progress "scikit-image-0.18.1.tar.g@" …)
1685:16 1 (raise-exception _ #:continuable? _)
1685:16 0 (raise-exception _ #:continuable? _)
ice-9/boot-9.scm:1685:16: In procedure raise-exception:
In procedure =: Wrong type argument in position 1: #f
However I cannot reproduce it. My guix-daemon is at
efd4d36a283acf5441159d4babf25d2054776579 (master).