rebuilderd: unexpected error while rebuilding package: Failed to download build input from "https://buildinfos.debian.net/buildinfo-pool/x/xpdf/xpdf_3.04+git20260802-1_riscv64.buildinfo": error sending request for url (https://buildinfos.debian.net/buildinfo-pool/x/xpdf/xpdf_3.04+git20260802-1_riscv64.buildinfo): client error (Connect): tcp connect error: Connection refused (os error 111)