According to the build log cmake -DBUILD_CONFIG=xtrabackup_release -DWITH_DEBUG=ON result in InnoDB being built in release configuration and XtraBackup in debug. Which is known to cause similar issues.
According to the build log cmake -DBUILD_ CONFIG= xtrabackup_ release -DWITH_DEBUG=ON result in InnoDB being built in release configuration and XtraBackup in debug. Which is known to cause similar issues.