Bug#931572: Vagrant box missing stable buster release

[Filippo Giunchedi <filippo@debian.org>]

On Sun, Jul 07, 2019 at 02:22:41PM -0500, Andrew Pennebaker wrote:
> Package: cloud.debian.org
> Version: *
> 
> The semi-official virtual machine images on Vagrant Cloud do not yet
> feature a stable, v10.0.0 release for Debian Buster.

Can confirm, additionally 'vagrant up' with debian/buster64 is failing for me
on amd64 with

Tuesday 16 July 2019  21:18:43 +0200 (0:00:00.041)       0:00:01.150 ********** 
prober | FAILED! => {
    "changed": false, 
    "cmd": "apt-get update", 
    "msg": "E: Repository 'http://deb.debian.org/debian buster InRelease' changed its 'Suite' value from 'testing' to 'stable'\nE: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Suite' value from 'testing' to 'stable'", 
    "rc": 100, 
    "stderr": "E: Repository 'http://deb.debian.org/debian buster InRelease' changed its 'Suite' value from 'testing' to 'stable'\nE: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Suite' value from 'testing' to 'stable'\n", 
    "stderr_lines": [
        "E: Repository 'http://deb.debian.org/debian buster InRelease' changed its 'Suite' value from 'testing' to 'stable'", 
        "E: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Suite' value from 'testing' to 'stable'"
    ], 
    "stdout": "Get:1 http://deb.debian.org/debian buster InRelease [118 kB]\nGet:2 http://security.debian.org/debian-security buster/updates InRelease [39.1 kB]\nReading package lists...\n", 
    "stdout_lines": [
        "Get:1 http://deb.debian.org/debian buster InRelease [118 kB]", 
        "Get:2 http://security.debian.org/debian-security buster/updates InRelease [39.1 kB]", 
        "Reading package lists..."
    ]
}