==> Making package: spotify 1:1.1.72.439-1 (Sun 05 Dec 2021 06:15:44 PM CET)
==> Retrieving sources...
  -> Found spotify.protocol
  -> Found LICENSE
  -> Found spotify-1.1.72.439-x86_64.deb
  -> Found spotify-1.1.72.439-Release
  -> Found spotify-1.1.72.439-Release.sig
  -> Found spotify-1.1.72.439-x86_64-Packages
==> Validating source files with sha512sums...
    spotify.protocol ... Passed
    LICENSE ... Passed
    spotify-1.1.72.439-x86_64.deb ... Passed
    spotify-1.1.72.439-Release ... Skipped
    spotify-1.1.72.439-Release.sig ... Skipped
    spotify-1.1.72.439-x86_64-Packages ... Skipped
==> Verifying source file signatures with gpg...
    spotify-1.1.72.439-Release ... FAILED (unknown public key 5E3C45D7B312C643)
==> ERROR: One or more PGP signatures could not be verified!
 -> error downloading sources: spotify
         context: exit status 1


==> Making package: spotify 1:1.1.72.439-1 (Sun 05 Dec 2021 06:15:44 PM CET)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Found spotify.protocol
  -> Found LICENSE
  -> Found spotify-1.1.72.439-x86_64.deb
  -> Found spotify-1.1.72.439-Release
  -> Found spotify-1.1.72.439-Release.sig
  -> Found spotify-1.1.72.439-x86_64-Packages
==> Validating source files with sha512sums...
    spotify.protocol ... Passed
    LICENSE ... Passed
    spotify-1.1.72.439-x86_64.deb ... Passed
    spotify-1.1.72.439-Release ... Skipped
    spotify-1.1.72.439-Release.sig ... Skipped
    spotify-1.1.72.439-x86_64-Packages ... Skipped
==> Verifying source file signatures with gpg...
    spotify-1.1.72.439-Release ... FAILED (unknown public key 5E3C45D7B312C643)
==> ERROR: One or more PGP signatures could not be verified!
 -> error making: spotify