Hm. It compiles but it's failing regression tests:
diff -U3 /tmp/cirrus-ci-build/contrib/dummy_toaster/expected/dummy_toaster.out
/tmp/cirrus-ci-build/contrib/dummy_toaster/results/dummy_toaster.out
--- /tmp/cirrus-ci-build/contrib/dummy_toaster/expected/dummy_toaster.out
2022-04-02 16:02:47.874360253 +0000
+++ /tmp/cirrus-ci-build/contrib/dummy_toaster/results/dummy_toaster.out
2022-04-02 16:07:20.878047769 +0000
@@ -20,186 +20,7 @@
....
+server closed the connection unexpectedly
+ This probably means the server terminated abnormally
+ before or while processing the request.
+connection to server was lost
I think this will require some real debugging, so I'm marking this
Waiting on Author.