Building on ltsc2025-1
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-28 12:02.45 ---> 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"))
2026-03-28 12:02.45 ---> 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 65664dc5b276cda6cf6908fce5d2f7df2d434246"))
2026-03-28 12:02.45 ---> using "a1e705b8eccfc593b4fbc230ee7712cb183e42874d3459594f007e83ba548a84" 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.
2026-03-28 12:02.45 ---> using "94b92ded6f6a914e0c8cf60eb04427886c3a380cc0b69761979305cc893fbb67" 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 (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
-> installed mingw-w64-shims.0.2.0
-> retrieved ocaml-compiler.5.4.0 (cached)
-> 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 $(opam env --switch=mingw-5.4)
2026-03-28 12:02.45 ---> using "fef9a386bcc007a13a835243258296c6fba53ee56a7f3e7d366a20891bb1dbf6" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-28 12:02.45 ---> using "c1b87f3ba265cc602c17b1d72cdbd101c4febb3b928180288e5808ce3e9dbec0" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y ahrocksdb.0.2.2\
\nopam install -vy ahrocksdb.0.2.2\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: ahrocksdb.0.2.2 | 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] ahrocksdb.0.2.2 is not installed.
Nothing to do.
The following actions will be performed:
=== install 13 packages
- install ahrocksdb 0.2.2
- install astring 0.8.5 [required by ahrocksdb]
- install conf-rocksdb 1 [required by ahrocksdb]
- install csexp 1.5.2 [required by dune-configurator]
- install ctypes 0.24.0 [required by ahrocksdb]
- install dune 3.21.1 [required by ahrocksdb]
- install dune-configurator 3.21.1 [required by ahrocksdb]
- install integers 0.7.0 [required by ctypes]
- install ocamlbuild 0.16.1 [required by astring, rresult]
- install ocamlfind 1.9.8 [required by astring, rresult]
- install rresult 0.7.0 [required by ahrocksdb]
- install stdlib-shims 0.3.0 [required by integers]
- install topkg 1.1.1 [required by astring, rresult]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing 1/38: [ahrocksdb.0.2.2: http]
Processing 2/38: [ahrocksdb.0.2.2: http] [astring.0.8.5: extract]
Processing 3/38: [ahrocksdb.0.2.2: http] [astring.0.8.5: extract] [conf-rocksdb.1/main.c: dl]
Processing 3/38: [ahrocksdb.0.2.2: extract] [astring.0.8.5: extract] [conf-rocksdb.1/main.c: dl]
-> retrieved astring.0.8.5 (cached)
Processing 3/38: [ahrocksdb.0.2.2: extract] [conf-rocksdb.1/main.c: dl]
Processing 4/38: [ahrocksdb.0.2.2: extract] [conf-rocksdb.1/main.c: dl] [csexp.1.5.2: extract]
-> retrieved ahrocksdb.0.2.2 (https://github.com/ahrefs/ocaml-ahrocksdb/releases/download/0.2.2/ahrocksdb-0.2.2.tbz)
Processing 4/38: [conf-rocksdb.1/main.c: dl] [csexp.1.5.2: extract]
Processing 5/38: [conf-rocksdb.1/main.c: dl] [csexp.1.5.2: extract] [ctypes.0.24.0: extract]
-> retrieved conf-rocksdb.1 (https://raw.githubusercontent.com/ocaml/opam-source-archives/main/patches/conf-rocksdb/main.c)
Processing 5/38: [csexp.1.5.2: extract] [ctypes.0.24.0: extract]
Processing 6/38: [csexp.1.5.2: extract] [ctypes.0.24.0: extract] [dune.3.21.1, dune-configurator.3.21.1: extract]
-> retrieved csexp.1.5.2 (cached)
#=== ERROR while compiling conf-rocksdb.1 =====================================#
"cc": command not found.
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions were aborted
| - fetch csexp 1.5.2
| - fetch integers 0.7.0
| - fetch ocamlbuild 0.16.1
| - fetch ocamlfind 1.9.8
| - fetch rresult 0.7.0
| - fetch stdlib-shims 0.3.0
| - fetch topkg 1.1.1
| - install ahrocksdb 0.2.2
| - install astring 0.8.5
| - install csexp 1.5.2
| - install integers 0.7.0
| - install ocamlbuild 0.16.1
| - install ocamlfind 1.9.8
| - install rresult 0.7.0
| - install stdlib-shims 0.3.0
| - install topkg 1.1.1
+-
+- The following actions failed
| - fetch ctypes 0.24.0
| - fetch dune.3.21.1, dune-configurator.3.21.1
| - build conf-rocksdb 1
+-
- No changes have been performed
# To update the current shell environment, run: eval $(opam env)
'C:\cygwin64\usr\local\bin\opam.exe install -vy ahrocksdb.0.2.2' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y ahrocksdb.0.2.2
opam install -vy ahrocksdb.0.2.2
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: ahrocksdb.0.2.2 | 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 31
Failed: Build failed
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