Building on thyme
(from windows-server-2022-amd64-ocaml-5.3)
2026-02-02 11:22.04 ---> using "1d6ffeb5a52124df73b2e951323e99615c52ca4f9bdf0f65039be6146fabdaab" from cache
/: (user (uid 1000) (gid 1000))
/: (env OPAMPRECISETRACKING 1)
/: (env OPAMUTF8 never)
/: (env OPAMEXTERNALSOLVER builtin-0install)
/: (env OPAMCRITERIA +removed)
/: (env CI true)
/: (env OPAM_HEALTH_CHECK_CI true)
/: (run (shell "ln -f /usr/bin/opam-dev.exe /usr/bin/opam.exe"))
2026-02-02 11:22.04 ---> using "75bf3fbea1cbc65a9803f40104651d67c546cddf5606f6a4af6db8fca92eb5c0" from cache
/: (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 8e585b27038b7cc0badd118b2a64ccad8e4c7a5e"))
2026-02-02 11:22.04 ---> using "8a65e32b47e5f5a64f427d0c81ed5103879a61b8d64d8e40001877721503ef2b" from cache
/: (run (shell "rm -rf ~/.opam && opam init -ya --bare ~/opam-repository"))
User configuration:
[NOTE] Make sure that ~\.bash_profile is well sourced in your ~/.bashrc.
Updating ~\.bash_profile.
Added 9 lines after line 1 in ~\.bash_profile.
2026-02-02 11:22.04 ---> using "293540611dffb126dc531ef91ab2e6530071ab5ea9dffcab777e4f62de074c93" from cache
/: (run (cache (opam-archives (target "c:\\Users\\opam\\AppData\\Local\\opam\\download-cache")))
(network host)
(shell "opam switch create --repositories=default '4.14' '4.14.2'"))
<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "4.14.2"} | "ocaml-system" {= "4.14.2"}]
<><> 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 (cached)
-> retrieved ocaml-config.3 (cached)
-> installed flexdll.0.44
-> installed ocaml-options-vanilla.1
-> retrieved mingw-w64-shims.0.2.0 (cached)
-> installed conf-mingw-w64-gcc-x86_64.1
-> installed ocaml-env-mingw64.1
-> installed system-mingw.1
-> retrieved ocaml-base-compiler.4.14.2 (cached)
-> installed mingw-w64-shims.0.2.0
-> installed ocaml-base-compiler.4.14.2
-> installed ocaml-config.3
-> installed ocaml.4.14.2
Done.
# To update the current shell environment, run: eval $(opam env --switch=4.14)
2026-02-02 11:22.04 ---> using "760ee651c109b148a38e848a0883027a3b8784a85792f7cc55e92c8bbfe74ca5" from cache
/: (run (network host)
(shell "opam update --depexts"))
2026-02-02 11:22.04 ---> using "3a993158c6ed121079e7ac5ad3d35ddbe822946d02a3cec105aeacac9ea62822" from cache
/: (run (cache (opam-archives (target "c:\\Users\\opam\\AppData\\Local\\opam\\download-cache")))
(network host)
(shell "opam remove -y conf-msvc32.1\
\nopam install -vy conf-msvc32.1\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: conf-msvc32.1 | grep -q 'windows-server-2022-amd64-ocaml-5.3'; 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] conf-msvc32.1 is not installed.
The following actions will be performed:
=== install 2 packages
- install conf-msvc32 1
- install msvs-detect 0.8.0 [required by conf-msvc32]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing 2/6: [msvs-detect.0.8.0: http]
Processing 2/6: [msvs-detect.0.8.0: extract]
-> retrieved msvs-detect.0.8.0 (https://github.com/metastack/msvs-tools/archive/refs/tags/0.8.0.tar.gz)
-> installed msvs-detect.0.8.0
Processing 5/6: [conf-msvc32: bash C:\Users\opam\AppData\Local\opam\4.14\share\msvs-detect\msvs-opam]
+ C:\cygwin64\bin\bash.exe "C:\\Users\\opam\\AppData\\Local\\opam\\4.14\\share\\msvs-detect\\msvs-opam" "x86_32" "conf-msvc32" "C:\\Users\\opam\\AppData\\Local\\opam\\4.14\\share\\msvs-detect\\msvs-detect" (CWD=C:\Users\opam\AppData\Local\opam\4.14\.opam-switch\build\conf-msvc32.1)
- No compatible Visual Studio installation was found!
[ERROR] The compilation of conf-msvc32.1 failed at "bash C:\\Users\\opam\\AppData\\Local\\opam\\4.14\\share\\msvs-detect\\msvs-opam x86_32 conf-msvc32 C:\\Users\\opam\\AppData\\Local\\opam\\4.14\\share\\msvs-detect\\msvs-detect".
- Please install Visual Studio with at least the x64/x86 build tools
- and Windows SDK packages. See https://visualstudio.microsoft.com/downloads/
#=== ERROR while compiling conf-msvc32.1 ======================================#
# context 2.3.0 | win32/x86_64 | ocaml-base-compiler.4.14.2 | file://C:/Users/opam/opam-repository
# path ~\AppData\Local\opam\4.14\.opam-switch\build\conf-msvc32.1
# command C:\cygwin64\bin\bash.exe C:\Users\opam\AppData\Local\opam\4.14\share\msvs-detect\msvs-opam x86_32 conf-msvc32 C:\Users\opam\AppData\Local\opam\4.14\share\msvs-detect\msvs-detect
# exit-code 1
# env-file ~\AppData\Local\opam\log\conf-msvc32-2132-225a4b.env
# output-file ~\AppData\Local\opam\log\conf-msvc32-2132-225a4b.out
### output ###
# No compatible Visual Studio installation was found!
# Please install Visual Studio with at least the x64/x86 build tools
# and Windows SDK packages. See https://visualstudio.microsoft.com/downloads/
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build conf-msvc32 1
+-
+- The following changes have been performed
| - install msvs-detect 0.8.0
+-
<><> conf-msvc32.1 troubleshooting ><><><><><><><><><><><><><><><><><><><><><><>
=> A suitable Visual Studio installation could not be found for x86.
Visual Studio can be obtained from https://visualstudio.microsoft.com
# To update the current shell environment, run: eval $(opam env)
The former state can be restored with:
C:\cygwin64\bin\opam.exe switch import "C:\\Users\\opam\\AppData\\Local\\opam\\4.14\\.opam-switch\\backup\\state-20260202112310.export"
'C:\cygwin64\bin\opam.exe install -vy conf-msvc32.1' failed.
"opam remove -y conf-msvc32.1
opam install -vy conf-msvc32.1
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: conf-msvc32.1 | grep -q 'windows-server-2022-amd64-ocaml-5.3'; 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 31
Failed: Build failed
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