head.hackage failures on GHC nightly pipeline: ghcide, singletons
ghcide started on Nov 7: https://gitlab.haskell.org/ghc/head.hackage/-/pipelines/86259
singletons started on Nov 11: https://gitlab.haskell.org/ghc/head.hackage/-/pipelines/86427
Both packages fail to build on x86_64 and aarch64-linux.