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-rw-r--r--guix-build-coordinator/utils.scm3
1 files changed, 3 insertions, 0 deletions
diff --git a/guix-build-coordinator/utils.scm b/guix-build-coordinator/utils.scm
index 8d9e9f4..e72cf94 100644
--- a/guix-build-coordinator/utils.scm
+++ b/guix-build-coordinator/utils.scm
@@ -84,6 +84,9 @@ arguments of the worker thread procedure."
(with-exception-handler
(lambda (exn)
(backtrace)
+ (simple-format
+ (current-error-port)
+ "worker-thread: exception: ~A\n" exn)
(raise-exception exn))
(lambda ()
(apply proc args))))