==> Validating source files with sha512sums...
    llvm-6.0.0.src.tar.xz ... Passed
    llvm-6.0.0.src.tar.xz.sig ... Skipped
    libcxx-6.0.0.src.tar.xz ... Passed
    libcxx-6.0.0.src.tar.xz.sig ... Skipped
    libcxxabi-6.0.0.src.tar.xz ... Passed
    libcxxabi-6.0.0.src.tar.xz.sig ... Skipped
==> Verifying source file signatures with gpg...
    llvm-6.0.0.src.tar.xz ... FAILED (unknown public key 0FC3042E345AD05D)
    libcxx-6.0.0.src.tar.xz ... FAILED (unknown public key 0FC3042E345AD05D)
    libcxxabi-6.0.0.src.tar.xz ... FAILED (unknown public key 0FC3042E345AD05D)
==> ERROR: One or more PGP signatures could not be verified!
:: Checking discord integrity...
==> Making package: discord 0.0.4-1 (Fri Apr 20 03:55:25 PDT 2018)
==> Retrieving sources...
  -> Found Discord.desktop
  -> Found LICENSE
  -> Downloading discord-0.0.4.tar.gz...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 59.3M  100 59.3M    0     0  1546k      0  0:00:39  0:00:39 --:--:-- 1404k
==> Validating source files with md5sums...
    Discord.desktop ... Passed
    LICENSE ... Passed
==> Validating source_x86_64 files with md5sums...
    discord-0.0.4.tar.gz ... Passed
:: failed to verify libc++,libc++abi integrity