I can confirm that this is important issue. For freshly installed package it no longer works.
If acmetool Debian package was installed (and account created) before Nov/2019, it still works, but will start failing beginning Jun/2020 (as described in ACMEv1 EoL plan), and if not fixed by then this bug should have its Severity upgraded to "grave" (due to package being unusable or mostly so). Upstream git master works fine for ACMEv2, but needs to be packaged for Debian. Is there specific event Debian maintainers wait for; so interested parties should go bug upstream about? Or is there anything non-maintainers can do to help resolving this soon and keeping acmetool in Debian? -- Opinions above are GNU-copylefted.
