test Coq 8.12 and deny warnings

.gitlab-ci.yml

@@ -32,11 +32,12 @@ build-coq.dev:
   variables:
     OPAM_PINS: "coq version dev"
 
-build-coq.8.11.2:
+build-coq.8.12.0:
   <<: *template
   variables:
     OPAM_PINS: "coq version 8.11.2"
     OPAM_PKG: "coq-lambda-rust"
+    DENY_WARNINGS: "1"
   tags:
   - fp-timing
 

README.md

@@ -6,7 +6,7 @@ This is the Coq development accompanying lambda-Rust.
 
 This version is known to compile with:
 
- - Coq 8.11.2
+ - Coq 8.12.0
  - A development version of [Iris](https://gitlab.mpi-sws.org/iris/iris)
 
 ## Building from source