Hello,
The "ensure-path" RPC that is used by the cuirass-remote-server process sometimes raises a &nar-error condition. --8<---------------cut here---------------start------------->8--- In ice-9/eval.scm: 619:8 16 (_ #(#(#<directory (cuirass scripts remote-server) ?> ?))) 619:8 15 (_ #(#(#(#(#(#(#<directory (cuirass scr?> ?)) ?) ?) ?) ?)) 619:8 14 (_ #(#(#(#(#(#(#(#(#(#(#(?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?)) In cuirass/utils.scm: 358:17 13 (call-with-time _ #<procedure 7f8d58ac74a0 at ice-9/eva?>) In unknown file: 12 (_ #<procedure 7f8d58ac74e0 at ice-9/eval.scm:330:13 ()> ?) In ice-9/boot-9.scm: 152:2 11 (with-fluid* _ _ _) 1752:10 10 (with-exception-handler _ _ #:unwind? _ # _) In guix/store.scm: 658:37 9 (thunk) In srfi/srfi-1.scm: 634:9 8 (for-each #<procedure 7f8d58ac71a0 at ice-9/eval.scm:3?> ?) In ice-9/boot-9.scm: 724:2 7 (call-with-prompt _ _ #<procedure 7f8d58ac7100 at ice-9?>) 1752:10 6 (with-exception-handler _ _ #:unwind? _ # _) In guix/store.scm: 1449:0 5 (ensure-path #<store-connection 256.99 7f8d4241be10> _) 733:11 4 (process-stderr #<store-connection 256.99 7f8d4241be10> _) In guix/serialization.scm: 80:6 3 (read-int #<closed: file 7f8d5add63f0>) In ice-9/boot-9.scm: 1685:16 2 (raise-exception _ #:continuable? _) 1683:16 1 (raise-exception _ #:continuable? _) 1685:16 0 (raise-exception _ #:continuable? _) ice-9/boot-9.scm:1685:16: In procedure raise-exception: ERROR: 1. &nar-error: file: #f port: #<closed: file 7f8d5add63f0> --8<---------------cut here---------------end--------------->8--- According to Ludo on #guix, this might be caused by a crash on the guix-daemon side causing it to hang up prematurely. Thanks, Mathieu