Building on ltsc2025-1
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-27 10:20.33 ---> 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"))
2026-03-27 10:20.33 ---> 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 e589be2bb3f3c3428c9c98a122428f3ad2d44845"))
2026-03-27 10:20.33 ---> using "e45ceda38848c636c52a582b7b0e0300f8265fd055608e2010eb9091af016259" 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.
2026-03-27 10:20.33 ---> using "fca0867f47a2fc38aa8538df0aa1321357eb4edfd9be8bd5b70f35382e16c023" 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 flexdll.0.44 (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> retrieved mingw-w64-shims.0.2.0 (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/0.2.0.tar.gz)
-> 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 $(opam env --switch=mingw-5.4)
2026-03-27 10:20.33 ---> using "50e23bda8cb7e182e2fb806cb3f1c6566c93ab53027ddfe1f4220b08bd2bf8f7" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-27 10:20.33 ---> using "882bc898cf68e632dee31003c12789c688566b3783a36d413db7b6a44325a086" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y yocaml_unix.3.0.0\
\nopam install -vy yocaml_unix.3.0.0\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: yocaml_unix.3.0.0 | 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"))
[NOTE] yocaml_unix.3.0.0 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-gcc-i686]
=== install 96 packages
- install angstrom 0.16.1 [required by h1, h2]
- install asn1-combinators 0.3.2 [required by x509]
- install astring 0.8.5 [required by bos]
- install base v0.17.3 [required by ppx_expect]
- install base64 3.5.2 [required by h2, h1, cohttp]
- install bigstringaf 0.10.0 [required by h2]
- install bos 0.2.1 [required by ca-certs]
- install bstr 0.0.4 [required by httpcats]
- install ca-certs 1.0.1 [required by httpcats]
- install cmdliner 2.1.0 [required by happy-eyeballs-miou-unix]
- install cohttp 6.2.1 [required by yocaml_runtime]
- install conf-gmp 5 [required by conf-gmp-powm-sec, zarith]
- install conf-gmp-powm-sec 4 [required by mirage-crypto-pk]
- 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 csexp 1.5.2 [required by dune-configurator]
- install digestif 1.3.0 [required by yocaml_runtime]
- install dns 10.2.4 [required by dns-client]
- install dns-client 10.2.4 [required by dns-client-miou-unix]
- install dns-client-miou-unix 10.2.4 [required by httpcats]
- install domain-name 0.5.0 [required by dns-client-miou-unix]
- install dune 3.21.1 [required by yocaml_unix]
- install dune-configurator 3.21.1 [required by base]
- install duration 0.2.1 [required by happy-eyeballs, happy-eyeballs-miou-unix]
- install eqaf 0.10 [required by digestif, mirage-crypto]
- install faraday 0.8.2 [required by h1, h2]
- install fmt 0.11.0 [required by yocaml_runtime]
- install fpath 0.7.3 [required by ca-certs]
- install gmap 0.3.0 [required by x509]
- install h1 1.1.0 [required by httpcats]
- install h2 0.13.0 [required by httpcats]
- install happy-eyeballs 2.0.1 [required by dns-client-miou-unix]
- install happy-eyeballs-miou-unix 2.0.1 [required by httpcats]
- install hpack 0.13.0 [required by h2]
- install http 6.2.1 [required by cohttp]
- install httpcats 0.2.0 [required by yocaml_unix]
- install httpun-types 0.2.0 [required by h1, h2]
- install ipaddr 5.6.2 [required by dns-client-miou-unix, cohttp]
- install jane-street-headers v0.17.0 [required by time_now]
- install jst-config v0.17.0 [required by time_now]
- install kdf 1.0.0 [required by x509]
- install logs 0.10.0 [required by yocaml, yocaml_runtime]
- install lru 0.3.1 [required by dns]
- install macaddr 5.6.2 [required by ipaddr]
- install magic-mime 1.3.1 [required by yocaml_runtime]
- install metrics 0.5.0 [required by dns]
- install miou 0.5.4 [required by httpcats]
- install mirage-crypto 2.0.3 [required by ca-certs]
- install mirage-crypto-ec 2.0.3 [required by x509]
- install mirage-crypto-pk 2.0.3 [required by x509]
- install mirage-crypto-rng 2.0.3 [required by x509, dns-client]
- install mtime 2.1.0 [required by dns-client, happy-eyeballs-miou-unix]
- 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 bos, ptime]
- install ocamlfind 1.9.8 [required by bos, ptime]
- install ohex 0.2.0 [required by ca-certs]
- 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 yocaml_unix]
- install ppx_globalize v0.17.2 [required by ppx_base]
- install ppx_hash v0.17.0 [required by ppx_base]
- 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 cohttp]
- install ppxlib 0.38.0~5.5preview [required by ppx_expect]
- install ppxlib_jane v0.17.4 [required by ppx_globalize, ppx_enumerate, ppx_hash]
- install psq 0.2.1 [required by h2]
- install ptime 1.2.0 [required by ca-certs]
- install randomconv 0.2.0 [required by dns-client]
- install re 1.14.0 [required by cohttp]
- install rresult 0.7.0 [required by bos]
- install seq base [required by psq]
- install sexplib0 v0.17.0 [required by base, cohttp]
- 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 cohttp]
- install time_now v0.17.0 [required by ppx_inline_test]
- install tls 2.0.4 [required by tls-miou-unix]
- install tls-miou-unix 2.0.4 [required by httpcats]
- install topkg 1.1.1 [required by bos, ptime]
- install uri 4.4.0 [required by cohttp]
- install uri-sexp 4.4.0 [required by cohttp]
- install x509 1.0.6 [required by ca-certs]
- install yocaml 3.0.0 [required by yocaml_unix]
- install yocaml_runtime 3.0.0 [required by yocaml_unix]
- install yocaml_unix 3.0.0
- install zarith 1.14 [required by mirage-crypto-pk]
The following system packages will first need to be installed:
mingw64-i686-gcc-core mingw64-i686-gmp mingw64-x86_64-gmp pkgconf
[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 yocaml_unix.3.0.0' failed.
<><> 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\bin\bash.exe" "-lc" "opam remove -y yocaml_unix.3.0.0
opam install -vy yocaml_unix.3.0.0
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: yocaml_unix.3.0.0 | 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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