==> Synchronizing chroot copy [/home/alhp/workspace/chroot/root] -> [build_7442e00c-6590-465e-8b55-42541f76252f]...done ==> Making package: python-dulwich 0.21.6-2.1 (Mon Sep 4 06:55:51 2023) ==> Retrieving sources... -> Cloning dulwich git repo... Cloning into bare repository '/home/alhp/workspace/build/x86-64-v3/python-dulwich-0.21.6-2/dulwich'... ==> Validating source files with b2sums... dulwich ... Skipped ==> Verifying source file signatures with gpg... dulwich git repo ... FAILED (unknown public key 306F216180425066) ==> ERROR: One or more PGP signatures could not be verified! ==> ERROR: Could not download sources.