[new release] lwt_eio (0.5)

[talex5]

Run Lwt code within Eio

• Project page: https://github.com/ocaml-multicore/lwt_eio
• Documentation: https://ocaml-multicore.github.io/lwt_eio

CHANGES:

• Add debug mode (@talex5 Add debug mode ocaml-multicore/lwt_eio#24).
  Passing Lwt_eio.with_event_loop ~debug:true enables a new debug mode,
  which detects attempts to perform effects from Lwt code.

• Update to Eio 0.12 (@talex5 Update to Eio 0.12 ocaml-multicore/lwt_eio#23).

[avsm]

An s390x failure (bytecode only?) on OCaml 5, but I don't think is a blocker to merging...

#=== ERROR while compiling lwt_eio.0.5 ========================================#
# context              2.2.0~alpha3~dev | linux/s390x | ocaml-base-compiler.5.0.0 | pinned(https://github.com/ocaml-multicore/lwt_eio/releases/download/v0.5/lwt_eio-0.5.tbz)
# path                 ~/.opam/5.0/.opam-switch/build/lwt_eio.0.5
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p lwt_eio -j 3 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/lwt_eio-7-f2c7c2.env
# output-file          ~/.opam/log/lwt_eio-7-f2c7c2.out
### output ###
# File "test/dune", line 1, characters 0-87:
# 1 | (mdx
# 2 |   (deps
# 3 |     (env_var "EIO_BACKEND")
# 4 |     (package lwt_eio)
# 5 |     (package eio_main)))
# (cd _build/default/test && ./mdx_gen.bc test.md) > _build/default/test/.mdx/test.md.corrected
# Command exited with code 2.

- File "test/dune", line 1, characters 0-87:
- 1 | (mdx
- 2 |   (deps
- 3 |     (env_var "EIO_BACKEND")
- 4 |     (package lwt_eio)
- 5 |     (package eio_main)))
- (cd _build/default/test && ./mdx_gen.bc test.md) > _build/default/test/.mdx/test.md.corrected
- Command exited with code 2.


<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>

[talex5]

Odd. s390x is passing with ocaml-ci. The message doesn't indicate what went wrong, and it passed on rebuild.