Building on ltsc2025-3
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-10 22:28.20 ---> 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"))
2026-03-10 22:28.20 ---> 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"))
2026-03-10 22:28.20 ---> 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.
2026-03-10 22:28.20 ---> 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 $(opam env --switch=mingw-5.4)
2026-03-10 22:28.20 ---> using "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-10 22:28.20 ---> using "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y river.0.4\
\nopam install -vy river.0.4\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: river.0.4 | 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] river.0.4 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 75 packages
- install angstrom 0.16.1 [required by uri]
- install asn1-combinators 0.3.2 [required by x509]
- install astring 0.8.5 [required by conduit]
- install base v0.17.3 [required by ppx_sexp_conv]
- install base-bytes base [required by ocplib-endian]
- install base64 3.5.2 [required by cohttp]
- install bigstringaf 0.10.0 [required by angstrom]
- install bos 0.2.1 [required by ca-certs]
- install ca-certs 1.0.1 [required by conduit-lwt-unix]
- install camlp-streams 5.0.1 [required by lambdasoup]
- install cmdliner 2.1.0 [required by cohttp-lwt-unix]
- install cohttp 6.2.1 [required by river]
- install cohttp-lwt 6.2.1 [required by river]
- install cohttp-lwt-unix 6.2.1 [required by river]
- install conduit 8.0.0 [required by conduit-lwt]
- install conduit-lwt 8.0.0 [required by cohttp-lwt-unix]
- install conduit-lwt-unix 8.0.0 [required by cohttp-lwt-unix]
- 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 digestif 1.3.0 [required by ca-certs]
- install domain-name 0.5.0 [required by ipaddr]
- install dune 3.21.1 [required by river]
- install dune-configurator 3.21.1 [required by lwt, base]
- 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 cohttp-lwt-unix]
- install fpath 0.7.3 [required by ca-certs]
- install gmap 0.3.0 [required by x509]
- install http 6.2.1 [required by cohttp-lwt, cohttp, cohttp-lwt-unix]
- install ipaddr 5.6.2 [required by cohttp, cohttp-lwt]
- install ipaddr-sexp 5.6.2 [required by conduit-lwt-unix]
- install kdf 1.0.0 [required by x509]
- install lambdasoup 1.1.1 [required by river]
- install logs 0.10.0 [required by cohttp-lwt, cohttp, cohttp-lwt-unix]
- install lwt 6.1.1 [required by river]
- install macaddr 5.6.2 [required by ipaddr]
- install magic-mime 1.3.1 [required by cohttp-lwt-unix]
- install markup 1.0.3 [required by lambdasoup]
- 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]
- 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 logs, xmlm]
- install ocamlfind 1.9.8 [required by logs, xmlm]
- install ocplib-endian 1.2 [required by lwt]
- install ohex 0.2.0 [required by ca-certs]
- install ppx_derivers 1.2.1 [required by ppxlib]
- install ppx_sexp_conv v0.17.1 [required by cohttp-lwt, cohttp, cohttp-lwt-unix]
- install ppxlib 0.37.0 [required by ppx_sexp_conv]
- install ppxlib_jane v0.17.4 [required by ppx_sexp_conv]
- install ptime 1.2.0 [required by river]
- install re 1.14.0 [required by cohttp]
- install river 0.4
- install rresult 0.7.0 [required by bos]
- install sexplib0 v0.17.0 [required by cohttp, cohttp-lwt]
- install stdlib-shims 0.3.0 [required by ppxlib]
- install stringext 1.6.0 [required by cohttp]
- install syndic 1.7.0 [required by river]
- install topkg 1.1.1 [required by logs, xmlm]
- install uchar 0.0.2 [required by markup]
- install uri 4.4.0 [required by cohttp-lwt, cohttp, syndic]
- install uri-sexp 4.4.0 [required by cohttp]
- install uutf 1.0.4 [required by markup]
- install x509 1.0.6 [required by ca-certs]
- install xmlm 1.4.0 [required by syndic]
- 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 river.0.4' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y river.0.4
opam install -vy river.0.4
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: river.0.4 | 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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