Building on ltsc2025-1
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-06 16:37.51 ---> 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"))
2026-03-06 16:37.51 ---> 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"))
2026-03-06 17:12.49 ---> saved as "ef58fca6f6db70f2bdfd85579892df7c50e047d2e179a3be59dcaa5c5a2d773c"
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.
2026-03-06 17:13.42 ---> saved as "c700dfaf6f2da6800841bb961abfee8cd8858dee38ab51c0793b149f1795270d"
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)
-> installed conf-mingw-w64-gcc-x86_64.1
-> retrieved flexdll.0.44 (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> installed ocaml-env-mingw64.1
-> installed ocaml-options-vanilla.1
-> installed system-mingw.1
-> installed mingw-w64-shims.0.2.0
-> retrieved ocaml-config.3 (2 extra sources)
-> retrieved ocaml-config.3 (2 extra sources)
-> 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 $(opam env --switch=mingw-5.4)
2026-03-06 17:54.34 ---> saved as "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608"
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-06 17:55.33 ---> saved as "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f"
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y 0install.2.18\
\nopam install -vy 0install.2.18\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: 0install.2.18 | 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] 0install.2.18 is not installed.
The following actions will be performed:
=== recompile 1 package
- recompile mingw-w64-shims 0.2.0 [uses conf-mingw-w64-gcc-i686]
=== install 26 packages
- install 0install 2.18
- install 0install-solver 2.18 [required by 0install]
- install base-bytes base [required by ocplib-endian]
- install conf-libcurl 2 [required by curl]
- install conf-mingw-w64-curl-i686 1 [required by conf-libcurl]
- install conf-mingw-w64-curl-x86_64 1 [required by conf-libcurl]
- install conf-mingw-w64-gcc-i686 1 [required by conf-mingw-w64-curl-i686]
- install conf-pkg-config 4 [required by conf-mingw-w64-curl-i686, conf-mingw-w64-curl-x86_64]
- install cppo 1.8.0 [required by lwt, lwt_react]
- install csexp 1.5.2 [required by dune-configurator]
- install curl 0.10.0 [required by ocurl]
- install curl_lwt 0.10.0 [required by ocurl]
- install dune 3.21.1 [required by 0install]
- install dune-configurator 3.21.1 [required by lwt]
- install lwt 6.1.1 [required by 0install]
- install lwt_react 1.2.0 [required by 0install]
- install ocamlbuild 0.16.1 [required by xmlm]
- install ocamlfind 1.9.8 [required by xmlm]
- install ocplib-endian 1.2 [required by lwt]
- install ocurl transition (deprecated) [required by 0install]
- install react 1.2.2 [required by lwt_react]
- install sha 1.15.4 [required by 0install]
- install stdlib-shims 0.3.0 [required by sha]
- install topkg 1.1.1 [required by xmlm]
- install xmlm 1.4.0 [required by 0install]
- install yojson 3.0.0 [required by 0install]
The following system packages will first need to be installed:
mingw64-i686-curl mingw64-i686-gcc-core mingw64-x86_64-curl pkgconf
<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>
opam believes some required external dependencies are missing. opam can:
> 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
[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'.
'C:\cygwin64\usr\local\bin\opam.exe install -vy 0install.2.18' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y 0install.2.18
opam install -vy 0install.2.18
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: 0install.2.18 | 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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