Building on ltsc2025-3
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-26 02:38.17 ---> 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"))
2026-03-26 02:38.17 ---> 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"))
2026-03-26 02:38.17 ---> 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.
2026-03-26 02:38.17 ---> 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 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 $(opam env --switch=mingw-5.4)
2026-03-26 02:38.17 ---> using "50e23bda8cb7e182e2fb806cb3f1c6566c93ab53027ddfe1f4220b08bd2bf8f7" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-26 02:38.17 ---> using "882bc898cf68e632dee31003c12789c688566b3783a36d413db7b6a44325a086" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y proton.1.0.17\
\nopam install -vy proton.1.0.17\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: proton.1.0.17 | 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] proton.1.0.17 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 57 packages
- install asn1-combinators 0.3.2 [required by x509]
- install astring 0.8.5 [required by bos]
- install base-bytes base [required by ocplib-endian]
- install base64 3.5.2 [required by x509]
- install bos 0.2.1 [required by ca-certs]
- install ca-certs 1.0.1 [required by proton]
- install cmdliner 2.1.0 [required by tls-lwt]
- install conf-gmp 5 [required by proton]
- install conf-gmp-powm-sec 4 [required by mirage-crypto-pk]
- install conf-liblz4 1 [required by lz4]
- install conf-mingw-w64-gcc-i686 1 [required by conf-mingw-w64-liblz4-i686, conf-mingw-w64-zstd-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-mingw-w64-liblz4-i686 1 [required by conf-liblz4]
- install conf-mingw-w64-liblz4-x86_64 1 [required by conf-liblz4]
- install conf-mingw-w64-zstd-i686 1 [required by conf-zstd]
- install conf-mingw-w64-zstd-x86_64 1 [required by conf-zstd]
- install conf-pkg-config 4 [required by conf-liblz4, conf-zstd]
- install conf-zstd 1.3.8 [required by zstd]
- install cppo 1.8.0 [required by lwt]
- install csexp 1.5.2 [required by dune-configurator]
- install cstruct 6.2.0 [required by proton]
- install ctypes 0.24.0 [required by lz4, zstd]
- install digestif 1.3.0 [required by ca-certs, tls]
- install domain-name 0.5.0 [required by proton]
- install dune 3.21.1 [required by proton]
- install dune-configurator 3.21.1 [required by lz4]
- install duration 0.2.1 [required by mirage-crypto-rng]
- install eqaf 0.10 [required by digestif, mirage-crypto]
- install fmt 0.11.0 [required by cstruct, tls]
- install fpath 0.7.3 [required by ca-certs]
- install gmap 0.3.0 [required by x509]
- install integers 0.7.0 [required by zstd]
- install ipaddr 5.6.2 [required by tls]
- install kdf 1.0.0 [required by tls]
- install logs 0.10.0 [required by ca-certs, tls]
- install lwt 6.1.1 [required by proton]
- install lz4 1.3.0 [required by proton]
- install macaddr 5.6.2 [required by ipaddr]
- install mirage-crypto 2.0.3 [required by proton]
- install mirage-crypto-ec 2.0.3 [required by tls]
- install mirage-crypto-pk 2.0.3 [required by tls]
- install mirage-crypto-rng 2.0.3 [required by tls, tls-lwt]
- install ocamlbuild 0.16.1 [required by bos, ptime]
- install ocamlfind 1.9.8 [required by bos, ptime]
- install ocplib-endian 1.2 [required by lwt]
- install ohex 0.2.0 [required by ca-certs, tls]
- install proton 1.0.17
- install ptime 1.2.0 [required by proton]
- install rresult 0.7.0 [required by bos]
- install stdlib-shims 0.3.0 [required by integers]
- install tls 2.0.3 [required by proton]
- install tls-lwt 2.0.3 [required by proton]
- install topkg 1.1.1 [required by bos, ptime]
- install x509 1.0.6 [required by proton]
- install zarith 1.14 [required by mirage-crypto-pk]
- install zstd 0.4 [required by proton]
The following system packages will first need to be installed:
mingw64-i686-gcc-core mingw64-i686-gmp mingw64-i686-lz4 mingw64-i686-zstd mingw64-x86_64-gmp mingw64-x86_64-lz4 mingw64-x86_64-zstd 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 proton.1.0.17' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y proton.1.0.17
opam install -vy proton.1.0.17
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: proton.1.0.17 | 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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