==> Synchronizing chroot copy [/data/alhp-workspace/chroot/root] -> [worker-x86-64-v2-0]...done
==> Making package: libmilter 8.17.1-1.1 (Fri Dec  3 12:58:02 2021)
==> Retrieving sources...
  -> Downloading sendmail.8.17.1.tar.gz...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
 21 2230k   21  487k    0     0   442k      0  0:00:05  0:00:01  0:00:04  441k
100 2230k  100 2230k    0     0  1418k      0  0:00:01  0:00:01 --:--:-- 1418k
  -> Downloading sendmail.8.17.1.tar.gz.sig...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100   543  100   543    0     0   1380      0 --:--:-- --:--:-- --:--:--  1381
  -> Found fd-passing-libmilter.patch
  -> Found site.config.m4
==> Validating source files with b2sums...
    sendmail.8.17.1.tar.gz ... Passed
    sendmail.8.17.1.tar.gz.sig ... Skipped
    fd-passing-libmilter.patch ... Passed
    site.config.m4 ... Passed
==> Verifying source file signatures with gpg...
    sendmail.8.17.1.tar.gz ... FAILED (unknown public key 4C66EA8D4BEE1BEE)
==> ERROR: One or more PGP signatures could not be verified!
==> ERROR: Could not download sources.