Validating source files with sha1sums...
veracrypt_1.16_amd64.tar.gz ... Passed
veracrypt_1.16_amd64.tar.gz.sig ... Skipped
==> Verifying source file signatures with gpg...
veracrypt_1.16_amd64.tar.gz ... FAILED (unknown public key 8F1C633328F64DD0)
==> ERROR: One or more PGP signatures could not be verified!
==> ERROR: Makepkg was unable to build veracrypt.
==> Restart building veracrypt ? [y/N]
Where do we go to report Aur: issues?
As this is a packager issue?
Just made a quick look and this is a known issue with the veracrypt pkgbuild, you can either comment out the ‘validpgpkeys’ line, or import nullptr_t keys to your system first.