Building on ltsc2025-3
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-08 19:44.05 ---> using "63e5ddb9687855d0a0c4c5e0088f813758807605401f3a88b07751088826ddff" from cache
C:/: (user (uid 1000) (gid 1000))
C:/: (env OPAMPRECISETRACKING 1)
C:/: (env OPAMUTF8 never)
C:/: (env OPAMEXTERNALSOLVER builtin-0install)
C:/: (env OPAMCRITERIA +removed)
C:/: (env CI true)
C:/: (env OPAM_HEALTH_CHECK_CI true)
C:/: (run (shell "ln -f /usr/local/bin/opam-dev.exe /usr/local/bin/opam.exe"))
2026-03-08 19:44.05 ---> using "eb751f1617949fccf400da87a349c508e73323f3f0e3482f2cce8c46fbcb6c21" from cache
C:/: (run (network host)
(shell "rm -rf ~/opam-repository && git clone -q 'https://github.com/ocaml/opam-repository' ~/opam-repository && git -C ~/opam-repository checkout -q 31db989bcaf14647d9889b8903120d6202ac37a8"))
2026-03-08 19:44.05 ---> using "ef58fca6f6db70f2bdfd85579892df7c50e047d2e179a3be59dcaa5c5a2d773c" from cache
C:/: (run (shell "rm -rf ~/.opam && opam init -ya --bare ~/opam-repository"))
User configuration:
Updating ~\.bashrc.
[NOTE] Make sure that ~/.bashrc is well sourced in your ~\.bash_profile.
Added 9 lines after line 1 in ~\.bashrc.
2026-03-08 19:44.05 ---> using "c700dfaf6f2da6800841bb961abfee8cd8858dee38ab51c0793b149f1795270d" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam switch create --repositories=default 'mingw-5.4' '5.4.0'"))
<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.4.0"}]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed arch-x86_64.1
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> installed host-arch-x86_64.1
-> installed host-system-mingw.1
-> retrieved mingw-w64-shims.0.2.0 (cached)
-> retrieved flexdll.0.44 (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> installed ocaml-options-vanilla.1
-> installed conf-mingw-w64-gcc-x86_64.1
-> installed ocaml-env-mingw64.1
-> installed system-mingw.1
-> retrieved ocaml-config.3 (2 extra sources)
-> retrieved ocaml-config.3 (2 extra sources)
-> installed mingw-w64-shims.0.2.0
-> retrieved ocaml-compiler.5.4.0 (https://github.com/ocaml/ocaml/releases/download/5.4.0/ocaml-5.4.0.tar.gz)
-> installed ocaml-compiler.5.4.0
-> installed ocaml-base-compiler.5.4.0
-> installed ocaml-config.3
-> installed ocaml.5.4.0
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
Done.
# To update the current shell environment, run: eval $(opam env --switch=mingw-5.4)
2026-03-08 19:44.05 ---> using "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-08 19:44.05 ---> using "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y mmdb.0.3.0\
\nopam install -vy mmdb.0.3.0\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: mmdb.0.3.0 | grep -q 'ocaml/opam:windows-server-mingw-ltsc2025-opam'; then\
\n echo \"This package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\"\
\n exit 69\
\n fi\
\nfi \
\n\
\n\
\nexit $res"))
Nothing to do.
[NOTE] mmdb.0.3.0 is not installed.
The following actions will be performed:
=== recompile 1 package
- recompile mingw-w64-shims 0.2.0 [uses conf-pkg-config]
=== install 25 packages
- install base v0.17.3 [required by mmdb]
- install conf-libffi 2.0.0 [required by ctypes-foreign]
- install conf-libmaxminddb 1 [required by mmdb]
- install conf-mingw-w64-gcc-i686 1 [required by mingw-w64-shims, conf-mingw-w64-libffi-i686]
- install conf-mingw-w64-libffi-i686 1 [required by conf-libffi]
- install conf-mingw-w64-libffi-x86_64 1 [required by conf-libffi]
- install conf-pkg-config 4 [required by conf-libmaxminddb, ctypes-foreign]
- install cppo 1.8.0 [required by ppx_deriving]
- install csexp 1.5.2 [required by dune-configurator]
- install ctypes 0.24.0 [required by mmdb]
- install ctypes-foreign 0.24.0 [required by mmdb]
- install dune 3.21.1 [required by mmdb]
- install dune-configurator 3.21.1 [required by ctypes, base, ctypes-foreign]
- install integers 0.7.0 [required by ctypes]
- install mmdb 0.3.0
- install ocaml-compiler-libs v0.17.0 [required by ppxlib]
- install ocaml_intrinsics_kernel v0.17.1 [required by base]
- install ocamlfind 1.9.8 [required by ppx_deriving]
- install ppx_derivers 1.2.1 [required by ppx_deriving]
- install ppx_deriving 6.1.1 [required by mmdb]
- install ppx_here v0.17.0 [required by ppx_let]
- install ppx_let v0.17.1 [required by mmdb]
- install ppxlib 0.37.0 [required by ppx_deriving, ppx_let]
- install sexplib0 v0.17.0 [required by base]
- install stdlib-shims 0.3.0 [required by integers, ppxlib]
The following system packages will first need to be installed:
mingw64-i686-gcc-core mingw64-i686-libffi mingw64-x86_64-libffi pkgconf
<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>
opam believes some required external dependencies are missing. opam can:
[NOTE] You can retry with '--assume-depexts' to skip this check, or run 'opam option depext=false' to permanently disable handling of system packages.
Running the system package manager non-interactively requires '--confirm-level=unsafe-yes'.
> 1. Run C:\opam\.opam\.cygwin\setup-x86_64.exe to install them (may need root/sudo access)
2. Display the recommended C:\opam\.opam\.cygwin\setup-x86_64.exe command and wait while you run it manually (e.g. in another terminal)
3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
4. Abort the installation
[1/2/3/4] 4
'C:\cygwin64\usr\local\bin\opam.exe install -vy mmdb.0.3.0' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y mmdb.0.3.0
opam install -vy mmdb.0.3.0
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: mmdb.0.3.0 | grep -q 'ocaml/opam:windows-server-mingw-ltsc2025-opam'; then
echo "This package failed and has been disabled for CI using the 'x-ci-accept-failures' field."
exit 69
fi
fi
exit $res" failed with exit status 10
Failed: Build failed
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