Building on ltsc2025-1
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-07 11:33.26 ---> 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"))
2026-03-07 11:33.26 ---> 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"))
2026-03-07 11:33.26 ---> 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.
2026-03-07 11:33.26 ---> 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 $(opam env --switch=mingw-5.4)
2026-03-07 11:33.26 ---> using "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-07 11:33.26 ---> using "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y data-encoding.1.0.1\
\nopam install -vy data-encoding.1.0.1\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: data-encoding.1.0.1 | 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"))
Nothing to do.
[NOTE] data-encoding.1.0.1 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 55 packages
- install angstrom 0.16.1 [required by uri]
- install base v0.17.3 [required by ppx_expect]
- install base-bytes base [required by ocplib-endian]
- install bigstringaf 0.10.0 [required by data-encoding]
- install conf-gmp 5 [required by zarith]
- install conf-mingw-w64-gcc-i686 1 [required by conf-mingw-w64-gmp-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 cppo 1.8.0 [required by ocplib-endian]
- install csexp 1.5.2 [required by dune-configurator]
- install cstruct 6.2.0 [required by hex]
- install data-encoding 1.0.1
- install dune 3.21.1 [required by data-encoding]
- install dune-configurator 3.21.1 [required by bigstringaf]
- install either 1.0.0 [required by data-encoding]
- install ezjsonm 1.3.0 [required by data-encoding]
- install fmt 0.11.0 [required by cstruct]
- install hex 1.5.0 [required by data-encoding]
- install jane-street-headers v0.17.0 [required by time_now]
- install json-data-encoding 1.0.1 [required by data-encoding]
- install json-data-encoding-bson 1.0.1 [required by data-encoding]
- install jsonm 1.0.2 [required by ezjsonm]
- install jst-config v0.17.0 [required by time_now]
- install ocaml-compiler-libs v0.17.0 [required by ppxlib]
- install ocaml-syntax-shims 1.0.0 [required by angstrom]
- install ocaml_intrinsics_kernel v0.17.1 [required by base]
- install ocamlbuild 0.16.1 [required by jsonm]
- install ocamlfind 1.9.8 [required by zarith]
- install ocplib-endian 1.2 [required by json-data-encoding-bson]
- install ppx_assert v0.17.0 [required by jst-config]
- install ppx_base v0.17.0 [required by time_now]
- install ppx_cold v0.17.0 [required by ppx_base]
- install ppx_compare v0.17.0 [required by ppx_base]
- install ppx_derivers 1.2.1 [required by ppxlib]
- install ppx_enumerate v0.17.0 [required by ppx_base]
- install ppx_expect v0.17.3 [required by data-encoding]
- install ppx_globalize v0.17.2 [required by ppx_base]
- install ppx_hash v0.17.0 [required by data-encoding]
- install ppx_here v0.17.0 [required by ppx_expect]
- install ppx_inline_test v0.17.1 [required by ppx_expect]
- install ppx_optcomp v0.17.1 [required by time_now]
- install ppx_sexp_conv v0.17.1 [required by ppx_base]
- install ppxlib 0.37.0 [required by ppx_expect]
- install ppxlib_jane v0.17.4 [required by ppx_globalize, ppx_enumerate, ppx_hash]
- install sexplib0 v0.17.0 [required by ezjsonm]
- install stdio v0.17.0 [required by ppx_expect]
- install stdlib-shims 0.3.0 [required by ppxlib]
- install stringext 1.6.0 [required by uri]
- install time_now v0.17.0 [required by ppx_inline_test]
- install topkg 1.1.1 [required by jsonm]
- install uri 4.4.0 [required by json-data-encoding]
- install uutf 1.0.4 [required by ezjsonm]
- install zarith 1.14 [required by data-encoding]
- install zarith_stubs_js v0.17.0 [required by data-encoding]
The following system packages will first need to be installed:
[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'.
mingw64-i686-gcc-core mingw64-i686-gmp mingw64-x86_64-gmp 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
'C:\cygwin64\usr\local\bin\opam.exe install -vy data-encoding.1.0.1' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y data-encoding.1.0.1
opam install -vy data-encoding.1.0.1
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: data-encoding.1.0.1 | 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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