Building on ltsc2025-1
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-08 02:58.47 ---> 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 02:58.47 ---> 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 02:58.47 ---> 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 02:58.47 ---> 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)
-> 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 $(opam env --switch=mingw-5.4)
2026-03-08 02:58.47 ---> using "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-08 02:58.47 ---> using "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y kmt.0.1\
\nopam install -vy kmt.0.1\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: kmt.0.1 | 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"))
[NOTE] kmt.0.1 is not installed.
Nothing to do.
The following actions will be performed:
=== recompile 1 package
- recompile mingw-w64-shims 0.2.0 [uses conf-mingw-w64-g++-i686]
=== install 36 packages
- install ANSITerminal 0.8.5 [required by kmt]
- install alcotest 1.9.1 [required by kmt]
- install astring 0.8.5 [required by alcotest]
- install base-bytes base [required by ANSITerminal]
- install batteries 3.10.0 [required by kmt]
- install camlp-streams 5.0.1 [required by batteries]
- install cmdliner 2.1.0 [required by kmt]
- install conf-c++ 1.0 [required by z3]
- install conf-gmp 5 [required by zarith]
- install conf-mingw-w64-g++-i686 1 [required by conf-c++]
- install conf-mingw-w64-g++-x86_64 1 [required by conf-c++]
- install conf-mingw-w64-gcc-i686 1 [required by conf-mingw-w64-g++-i686]
- install conf-mingw-w64-gmp-i686 1 [required by conf-gmp]
- install conf-mingw-w64-gmp-x86_64 1 [required by conf-gmp]
- install conf-pkg-config 4 [required by zarith]
- install conf-python-3 9.0.0 [required by z3]
- install cppo 1.8.0 [required by ppx_deriving]
- install dune 3.21.1 [required by kmt]
- install fmt 0.11.0 [required by kmt]
- install kmt 0.1
- install logs 0.10.0 [required by kmt]
- install num 1.6 [required by batteries]
- install ocaml-compiler-libs v0.17.0 [required by ppxlib]
- install ocaml-syntax-shims 1.0.0 [required by alcotest]
- install ocamlbuild 0.16.1 [required by logs]
- install ocamlfind 1.9.8 [required by ppx_deriving, batteries, logs, z3]
- install ppx_derivers 1.2.1 [required by ppx_deriving]
- install ppx_deriving 6.1.1 [required by kmt]
- install ppxlib 0.37.0 [required by ppx_deriving]
- install re 1.14.0 [required by alcotest]
- install sexplib0 v0.17.0 [required by ppxlib]
- install stdlib-shims 0.3.0 [required by alcotest]
- install topkg 1.1.1 [required by logs]
- install uutf 1.0.4 [required by alcotest]
- install z3 4.15.2 [required by kmt]
- install zarith 1.14 [required by z3]
The following system packages will first need to be installed:
mingw64-i686-gcc-core mingw64-i686-gcc-g++ mingw64-i686-gmp mingw64-x86_64-gcc-g++ mingw64-x86_64-gmp pkgconf python3
<><> 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 kmt.0.1' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y kmt.0.1
opam install -vy kmt.0.1
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: kmt.0.1 | 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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