My build at https://circleci.com/gh/lfairy/lfairy.github.io/86 fails with “unknown ghc version”.
However, according to the documentation, the Trusty build image (which I have enabled) has
Removing the relevant lines from
circle.yml does make it build again, but I’m not sure what version of GHC it uses now.
Does anyone know what’s going on here?