Building on ltsc2025-1
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-25 14:55.48 ---> 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"))
2026-03-25 14:55.48 ---> 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"))
2026-03-25 14:55.48 ---> 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.
2026-03-25 14:55.48 ---> 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 flexdll.0.44 (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> retrieved mingw-w64-shims.0.2.0 (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/0.2.0.tar.gz)
-> 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 $(opam env --switch=mingw-5.4)
2026-03-25 14:55.48 ---> using "50e23bda8cb7e182e2fb806cb3f1c6566c93ab53027ddfe1f4220b08bd2bf8f7" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-25 14:55.48 ---> using "882bc898cf68e632dee31003c12789c688566b3783a36d413db7b6a44325a086" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y ocamlmerlin-mlx.0.11\
\nopam install -vy ocamlmerlin-mlx.0.11\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: ocamlmerlin-mlx.0.11 | 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"))
Nothing to do.
[NOTE] ocamlmerlin-mlx.0.11 is not installed.
The following actions will be performed:
=== install 10 packages
- install cppo 1.8.0 [required by ocamlmerlin-mlx]
- install csexp 1.5.2 [required by merlin-lib]
- install dune 3.21.1 [required by ocamlmerlin-mlx]
- install merlin-lib 5.6.1-504 [required by ocamlmerlin-mlx]
- install ocaml-compiler-libs v0.17.0 [required by ppxlib]
- install ocamlmerlin-mlx 0.11
- install ppx_derivers 1.2.1 [required by ppxlib]
- install ppxlib 0.38.0~5.5preview [required by ocamlmerlin-mlx]
- install sexplib0 v0.17.0 [required by ppxlib]
- install stdlib-shims 0.3.0 [required by ppxlib]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing 1/30: [cppo.1.8.0: http]
Processing 2/30: [cppo.1.8.0: http] [csexp.1.5.2: http]
Processing 3/30: [cppo.1.8.0: http] [csexp.1.5.2: http] [dune.3.21.1: http]
Processing 3/30: [cppo.1.8.0: http] [csexp.1.5.2: extract] [dune.3.21.1: http]
Processing 3/30: [cppo.1.8.0: extract] [csexp.1.5.2: extract] [dune.3.21.1: http]
-> retrieved csexp.1.5.2 (https://github.com/ocaml-dune/csexp/releases/download/1.5.2/csexp-1.5.2.tbz)
Processing 3/30: [cppo.1.8.0: extract] [dune.3.21.1: http]
Processing 4/30: [cppo.1.8.0: extract] [dune.3.21.1: http] [merlin-lib.5.6.1-504: http]
Processing 4/30: [cppo.1.8.0: extract] [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http]
-> retrieved cppo.1.8.0 (https://github.com/ocaml-community/cppo/archive/v1.8.0.tar.gz)
Processing 4/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http]
Processing 5/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http] [ocaml-compiler-libs.v0.17.0: http]
Processing 5/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http] [ocaml-compiler-libs.v0.17.0: extract]
-> retrieved ocaml-compiler-libs.v0.17.0 (https://github.com/janestreet/ocaml-compiler-libs/archive/refs/tags/v0.17.0.tar.gz)
Processing 5/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http]
Processing 6/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http] [ocamlmerlin-mlx.0.11: http]
Processing 6/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http] [ocamlmerlin-mlx.0.11: extract]
-> retrieved ocamlmerlin-mlx.0.11 (https://github.com/ocaml-mlx/mlx/releases/download/0.11/mlx-0.11.tbz)
Processing 6/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http]
Processing 7/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: http] [ppx_derivers.1.2.1: http]
Processing 7/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: extract] [ppx_derivers.1.2.1: http]
Processing 7/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: extract] [ppx_derivers.1.2.1: extract]
-> retrieved ppx_derivers.1.2.1 (https://github.com/ocaml-ppx/ppx_derivers/archive/1.2.1.tar.gz)
Processing 7/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: extract]
Processing 8/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: extract] [ppxlib.0.38.0~5.5preview: http]
Processing 8/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: extract] [ppxlib.0.38.0~5.5preview: extract]
-> retrieved ppxlib.0.38.0~5.5preview (https://github.com/ocaml-ppx/ppxlib/archive/a6fadbd212f3cd7d5d8dcfefc46c884f710fedc0.tar.gz)
Processing 8/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: extract]
Processing 9/30: [dune.3.21.1: extract] [merlin-lib.5.6.1-504: extract] [sexplib0.v0.17.0: http]
-> retrieved merlin-lib.5.6.1-504 (https://github.com/ocaml/merlin/releases/download/v5.6.1-504/merlin-5.6.1-504.tbz)
Processing 9/30: [dune.3.21.1: extract] [sexplib0.v0.17.0: http]
Processing 10/30: [dune.3.21.1: extract] [sexplib0.v0.17.0: http] [stdlib-shims.0.3.0: http]
-> retrieved dune.3.21.1 (https://github.com/ocaml/dune/releases/download/3.21.1/dune-3.21.1.tbz)
Processing 10/30: [sexplib0.v0.17.0: http] [stdlib-shims.0.3.0: http]
Processing 11/30: [sexplib0.v0.17.0: http] [stdlib-shims.0.3.0: http] [dune: ocaml 15]
Processing 11/30: [sexplib0.v0.17.0: extract] [stdlib-shims.0.3.0: http] [dune: ocaml 15]
Processing 11/30: [sexplib0.v0.17.0: extract] [stdlib-shims.0.3.0: extract] [dune: ocaml 15]
-> retrieved sexplib0.v0.17.0 (https://github.com/janestreet/sexplib0/archive/refs/tags/v0.17.0.tar.gz)
Processing 11/30: [stdlib-shims.0.3.0: extract] [dune: ocaml 15]
-> retrieved stdlib-shims.0.3.0 (https://github.com/ocaml/stdlib-shims/releases/download/0.3.0/stdlib-shims-0.3.0.tbz)
Processing 11/30: [dune: ocaml 15]
+ C:\opam\.opam\mingw-5.4\bin\ocaml.exe "boot/bootstrap.ml" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\dune.3.21.1)
- ocamlc -output-complete-exe -intf-suffix .dummy -g -o .duneboot.exe -I boot -I +unix unix.cma boot/types.ml boot/libs.ml boot/duneboot.ml
- .\.duneboot.exe -j 15
Processing 11/30: [dune: ./_boot/dune.exe build]
+ C:\opam\.opam\mingw-5.4\.opam-switch\build\dune.3.21.1\./_boot/dune.exe "build" "dune.install" "--release" "--profile" "dune-bootstrap" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\dune.3.21.1)
-> compiled dune.3.21.1
-> installed dune.3.21.1
Processing 13/30: [cppo: dune build]
Processing 14/30: [cppo: dune build] [csexp: dune build]
Processing 15/30: [cppo: dune build] [csexp: dune build] [ocaml-compiler-libs: dune build]
Processing 16/30: [cppo: dune build] [csexp: dune build] [ocaml-compiler-libs: dune build] [ppx_derivers: dune build]
Processing 17/30: [cppo: dune build] [csexp: dune build] [ocaml-compiler-libs: dune build] [ppx_derivers: dune build] [sexplib0: dune build]
Processing 18/30: [cppo: dune build] [csexp: dune build] [ocaml-compiler-libs: dune build] [ppx_derivers: dune build] [sexplib0: dune build] [stdlib-shims: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "csexp" "-j" "15" "@install" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\csexp.1.5.2)
- (cd _build/default && C:\opam\.opam\mingw-5.4\bin\ocamlc.opt.exe -w -40 -g -bin-annot -bin-annot-occurrences -I src/.csexp.objs/byte -cmi-file src/.csexp.objs/byte/csexp.cmi -no-alias-deps -o src/.csexp.objs/byte/csexp.cmo -c -impl src/csexp.ml)
- File "src/csexp.ml", line 236, characters 7-14:
- 236 | [@@inlined always]
- ^^^^^^^
- Warning 53 [misplaced-attribute]: the inlined attribute cannot appear in this context
- (cd _build/default && C:\opam\.opam\mingw-5.4\bin\ocamlopt.opt.exe -w -40 -g -I src/.csexp.objs/byte -I src/.csexp.objs/native -cmi-file src/.csexp.objs/byte/csexp.cmi -no-alias-deps -o src/.csexp.objs/native/csexp.cmx -c -impl src/csexp.ml)
- File "src/csexp.ml", line 236, characters 7-14:
- 236 | [@@inlined always]
- ^^^^^^^
- Warning 53 [misplaced-attribute]: the inlined attribute cannot appear in this context
-> compiled csexp.1.5.2
Processing 18/30: [cppo: dune build] [ocaml-compiler-libs: dune build] [ppx_derivers: dune build] [sexplib0: dune build] [stdlib-shims: dune build]
-> installed csexp.1.5.2
Processing 19/30: [cppo: dune build] [ocaml-compiler-libs: dune build] [ppx_derivers: dune build] [sexplib0: dune build] [stdlib-shims: dune build]
Processing 20/30: [cppo: dune build] [merlin-lib: dune build] [ocaml-compiler-libs: dune build] [ppx_derivers: dune build] [sexplib0: dune build] [stdlib-shims: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "cppo" "-j" "15" "@install" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\cppo.1.8.0)
-> compiled cppo.1.8.0
Processing 20/30: [merlin-lib: dune build] [ocaml-compiler-libs: dune build] [ppx_derivers: dune build] [sexplib0: dune build] [stdlib-shims: dune build]
-> installed cppo.1.8.0
Processing 21/30: [merlin-lib: dune build] [ocaml-compiler-libs: dune build] [ppx_derivers: dune build] [sexplib0: dune build] [stdlib-shims: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "ppx_derivers" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\ppx_derivers.1.2.1)
-> compiled ppx_derivers.1.2.1
Processing 21/30: [merlin-lib: dune build] [ocaml-compiler-libs: dune build] [sexplib0: dune build] [stdlib-shims: dune build]
-> installed ppx_derivers.1.2.1
Processing 22/30: [merlin-lib: dune build] [ocaml-compiler-libs: dune build] [sexplib0: dune build] [stdlib-shims: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "sexplib0" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\sexplib0.v0.17.0)
-> compiled sexplib0.v0.17.0
Processing 22/30: [merlin-lib: dune build] [ocaml-compiler-libs: dune build] [stdlib-shims: dune build]
-> installed sexplib0.v0.17.0
Processing 23/30: [merlin-lib: dune build] [ocaml-compiler-libs: dune build] [stdlib-shims: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "ocaml-compiler-libs" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\ocaml-compiler-libs.v0.17.0)
-> compiled ocaml-compiler-libs.v0.17.0
Processing 23/30: [merlin-lib: dune build] [stdlib-shims: dune build]
-> installed ocaml-compiler-libs.v0.17.0
Processing 24/30: [merlin-lib: dune build] [stdlib-shims: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "stdlib-shims" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\stdlib-shims.0.3.0)
-> compiled stdlib-shims.0.3.0
Processing 24/30: [merlin-lib: dune build]
-> installed stdlib-shims.0.3.0
Processing 25/30: [merlin-lib: dune build]
Processing 26/30: [merlin-lib: dune build] [ppxlib: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "merlin-lib" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\merlin-lib.5.6.1-504)
- (cd _build/default/src/platform && C:\cygwin64\bin\x86_64-w64-mingw32-gcc.exe -O2 -fno-strict-aliasing -fwrapv -mms-bitfields -Wall -fdiagnostics-color=always -g -I C:/opam/.opam/mingw-5.4/lib/ocaml -o os_ipc_stub.o -c os_ipc_stub.c)
- In file included from C:/opam/.opam/mingw-5.4/lib/ocaml/caml/unixsupport.h:29,
- from os_ipc_stub.c:32:
- /usr/x86_64-w64-mingw32/sys-root/mingw/include/winsock2.h:15:2: warning: #warning Please include winsock2.h before windows.h [-Wcpp]
- 15 | #warning Please include winsock2.h before windows.h
- | ^~~~~~~
-> compiled merlin-lib.5.6.1-504
Processing 26/30: [ppxlib: dune build]
-> installed merlin-lib.5.6.1-504
Processing 27/30: [ppxlib: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "ppxlib" "-j" "15" "@install" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\ppxlib.0.38.0~5.5preview)
-> compiled ppxlib.0.38.0~5.5preview
-> installed ppxlib.0.38.0~5.5preview
Processing 29/30: [ocamlmerlin-mlx: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "ocamlmerlin-mlx" "-j" "15" "@install" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\ocamlmerlin-mlx.0.11)
-> compiled ocamlmerlin-mlx.0.11
-> installed ocamlmerlin-mlx.0.11
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-25 15:20.13 ---> saved as "a47eb01f225b37823db5a56a07e0eec13434190bfe89323ebbb0f3867c42c15b"
Job succeeded
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