Building on ltsc2025-3
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-08 11:27.20 ---> 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 11:27.20 ---> 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 11:27.20 ---> 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 11:27.20 ---> 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)
-> retrieved flexdll.0.44 (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> 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 $(opam env --switch=mingw-5.4)
2026-03-08 11:27.20 ---> using "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-08 11:27.20 ---> using "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y mimic-happy-eyeballs.0.0.9\
\nopam install -vy mimic-happy-eyeballs.0.0.9\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: mimic-happy-eyeballs.0.0.9 | 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] mimic-happy-eyeballs.0.0.9 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 72 packages
- install arp 4.1.0 [required by tcpip]
- 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, dns]
- install bos 0.2.1 [required by ca-certs-nss]
- install ca-certs-nss 3.118 [required by dns-client-mirage]
- install cmdliner 2.1.0 [required by ca-certs-nss]
- 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 cppo 1.8.0 [required by lwt]
- install csexp 1.5.2 [required by dune-configurator]
- install cstruct 6.2.0 [required by tcpip]
- install cstruct-lwt 6.2.0 [required by tcpip]
- install digestif 1.3.0 [required by ca-certs-nss]
- install dns 10.2.4 [required by dns-client]
- install dns-client 10.2.4 [required by dns-client-mirage]
- install dns-client-mirage 10.2.4 [required by mimic-happy-eyeballs]
- install domain-name 0.5.0 [required by dns-client-mirage]
- install dune 3.21.1 [required by mimic-happy-eyeballs]
- install dune-configurator 3.21.1 [required by mirage-crypto-ec]
- install duration 0.2.1 [required by happy-eyeballs, happy-eyeballs-mirage]
- install eqaf 0.10 [required by digestif]
- install ethernet 3.2.0 [required by tcpip]
- install fmt 0.11.0 [required by happy-eyeballs-mirage, dns-client, ca-certs-nss, etc.]
- install fpath 0.7.3 [required by bos]
- install gmap 0.3.0 [required by x509, dns]
- install happy-eyeballs 2.0.1 [required by dns-client-mirage]
- install happy-eyeballs-mirage 2.0.1 [required by mimic-happy-eyeballs]
- install ipaddr 5.6.2 [required by dns-client-mirage]
- install ipaddr-cstruct 5.6.2 [required by tcpip]
- install kdf 1.0.0 [required by x509, tls]
- install logs 0.10.0 [required by mimic]
- install lru 0.3.1 [required by dns, tcpip]
- install lwt 6.1.1 [required by dns-client-mirage, mimic]
- install lwt-dllist 1.1.0 [required by tcpip]
- install macaddr 5.6.2 [required by tcpip]
- install macaddr-cstruct 5.6.2 [required by tcpip]
- install metrics 0.5.0 [required by dns, tcpip]
- install mimic 0.0.9 [required by mimic-happy-eyeballs]
- install mimic-happy-eyeballs 0.0.9
- install mirage-crypto 2.0.3 [required by tls-mirage]
- install mirage-crypto-ec 2.0.3 [required by x509, tls]
- install mirage-crypto-pk 2.0.3 [required by tls-mirage]
- install mirage-crypto-rng 2.0.3 [required by dns-client-mirage]
- install mirage-flow 5.0.0 [required by mimic]
- install mirage-kv 6.1.1 [required by tls-mirage]
- install mirage-mtime 5.2.0 [required by dns-client-mirage]
- install mirage-net 4.0.0 [required by tcpip]
- install mirage-ptime 5.2.0 [required by dns-client-mirage]
- install mirage-sleep 4.1.0 [required by dns-client-mirage]
- install mtime 2.1.0 [required by dns-client]
- install ocamlbuild 0.16.1 [required by bos, mtime]
- install ocamlfind 1.9.8 [required by bos, mtime]
- install ocplib-endian 1.2 [required by lwt]
- install ohex 0.2.0 [required by dns, x509, tls]
- install optint 0.3.0 [required by mirage-kv]
- install psq 0.2.1 [required by lru]
- install ptime 1.2.0 [required by tls-mirage]
- install randomconv 0.2.0 [required by dns-client]
- install rresult 0.7.0 [required by bos]
- install seq base [required by psq]
- install tcpip 9.0.1 [required by dns-client-mirage]
- install tls 2.0.3 [required by tls-mirage]
- install tls-mirage 2.0.3 [required by dns-client-mirage]
- install topkg 1.1.1 [required by bos, mtime]
- install x509 1.0.6 [required by dns-client-mirage]
- 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
<><> 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 mimic-happy-eyeballs.0.0.9' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y mimic-happy-eyeballs.0.0.9
opam install -vy mimic-happy-eyeballs.0.0.9
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: mimic-happy-eyeballs.0.0.9 | 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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