Building on ltsc2025-1
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-08 03:00.51 ---> 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 03:00.51 ---> 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 03:00.51 ---> 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 03:00.51 ---> 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)
-> installed conf-mingw-w64-gcc-x86_64.1
-> retrieved flexdll.0.44 (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> installed ocaml-env-mingw64.1
-> installed ocaml-options-vanilla.1
-> installed system-mingw.1
-> installed mingw-w64-shims.0.2.0
-> retrieved ocaml-config.3 (2 extra sources)
-> retrieved ocaml-config.3 (2 extra sources)
-> 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 $(opam env --switch=mingw-5.4)
2026-03-08 03:00.51 ---> using "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-08 03:00.51 ---> using "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y lacaml.11.1.1\
\nopam install -vy lacaml.11.1.1\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: lacaml.11.1.1 | 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] lacaml.11.1.1 is not installed.
Nothing to do.
The following actions will be performed:
=== install 6 packages
- install conf-blas 1 [required by lacaml]
- install conf-lapack 1 [required by lacaml]
- install csexp 1.5.2 [required by dune-configurator]
- install dune 3.21.1 [required by lacaml]
- install dune-configurator 3.21.1 [required by lacaml]
- install lacaml 11.1.1
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing 1/17: [conf-blas.1/test-win.sh: dl]
Processing 2/17: [conf-blas.1/test-win.sh: dl] [conf-lapack.1/test-win.sh: dl]
Processing 3/17: [conf-blas.1/test-win.sh: dl] [conf-lapack.1/test-win.sh: dl] [csexp.1.5.2: extract]
Processing 3/17: [conf-blas.1/test.c: dl] [conf-lapack.1/test-win.sh: dl] [csexp.1.5.2: extract]
Processing 3/17: [conf-blas.1/test.c: dl] [conf-lapack.1/test.c: dl] [csexp.1.5.2: extract]
-> retrieved csexp.1.5.2 (cached)
Processing 3/17: [conf-blas.1/test.c: dl] [conf-lapack.1/test.c: dl]
Processing 4/17: [conf-blas.1/test.c: dl] [conf-lapack.1/test.c: dl] [dune.3.21.1, dune-configurator.3.21.1: extract]
-> retrieved conf-blas.1 (2 extra sources)
-> retrieved conf-blas.1 (2 extra sources)
Processing 4/17: [conf-lapack.1/test.c: dl] [dune.3.21.1, dune-configurator.3.21.1: extract]
Processing 5/17: [conf-lapack.1/test.c: dl] [dune.3.21.1, dune-configurator.3.21.1: extract] [lacaml.11.1.1: http]
Processing 6/17: [conf-lapack.1/test.c: dl] [dune.3.21.1, dune-configurator.3.21.1: extract] [lacaml.11.1.1: http] [conf-blas: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1/test-win.sh]
-> retrieved conf-lapack.1 (2 extra sources)
-> retrieved conf-lapack.1 (2 extra sources)
Processing 6/17: [dune.3.21.1, dune-configurator.3.21.1: extract] [lacaml.11.1.1: http] [conf-blas: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1/test-win.sh]
Processing 7/17: [dune.3.21.1, dune-configurator.3.21.1: extract] [lacaml.11.1.1: http] [conf-blas: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1/test-win.sh] [conf-lapack: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1/test-win.sh]
Processing 7/17: [dune.3.21.1, dune-configurator.3.21.1: extract] [lacaml.11.1.1: extract] [conf-blas: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1/test-win.sh] [conf-lapack: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1/test-win.sh]
-> retrieved lacaml.11.1.1 (https://github.com/mmottl/lacaml/releases/download/11.1.1/lacaml-11.1.1.tbz)
Processing 7/17: [dune.3.21.1, dune-configurator.3.21.1: extract] [conf-blas: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1/test-win.sh] [conf-lapack: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1/test-win.sh]
+ C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1/test-win.sh (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1)
[ERROR] The compilation of conf-blas.1 failed at "C:\\opam\\.opam\\mingw-5.4\\.opam-switch\\build\\conf-blas.1/test-win.sh".
- /usr/lib/gcc/x86_64-w64-mingw32/13/../../../../x86_64-w64-mingw32/bin/ld: cannot find
: No such file or directory
- /usr/lib/gcc/x86_64-w64-mingw32/13/../../../../x86_64-w64-mingw32/bin/ld: cannot find -lblas: No such file or directory
- collect2: error: ld returned 1 exit status
Processing 7/17: [dune.3.21.1, dune-configurator.3.21.1: extract] [conf-lapack: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1/test-win.sh]
Processing 8/17: [dune.3.21.1, dune-configurator.3.21.1: extract] [conf-lapack: C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1/test-win.sh]
+ C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1/test-win.sh (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1)
[ERROR] The compilation of conf-lapack.1 failed at "C:\\opam\\.opam\\mingw-5.4\\.opam-switch\\build\\conf-lapack.1/test-win.sh".
- /usr/lib/gcc/x86_64-w64-mingw32/13/../../../../x86_64-w64-mingw32/bin/ld: cannot find
: No such file or directory
- /usr/lib/gcc/x86_64-w64-mingw32/13/../../../../x86_64-w64-mingw32/bin/ld: cannot find -llapack: No such file or directory
- collect2: error: ld returned 1 exit status
Processing 8/17: [dune.3.21.1, dune-configurator.3.21.1: extract]
Processing 9/17: [dune.3.21.1, dune-configurator.3.21.1: extract]
-> retrieved dune.3.21.1, dune-configurator.3.21.1 (cached)
Processing 10/17: [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 10/17: [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 12/17: [csexp: 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
-> installed csexp.1.5.2
Processing 14/17: [dune-configurator: rm]
+ C:\cygwin64\bin\rm.exe "-rf" "vendor/csexp" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\dune-configurator.3.21.1)
+ C:\cygwin64\bin\rm.exe "-rf" "vendor/pp" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\dune-configurator.3.21.1)
Processing 14/17: [dune-configurator: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "dune-configurator" "-j" "15" "@install" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\dune-configurator.3.21.1)
-> compiled dune-configurator.3.21.1
-> installed dune-configurator.3.21.1
#=== ERROR while compiling conf-lapack.1 ======================================#
# context 2.5.0 | win32/x86_64 | ocaml-base-compiler.5.4.0 | git+file://C:/cygwin64/home/opam/opam-repository
# path C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1
# command C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-lapack.1/test-win.sh
# exit-code 1
# env-file C:\opam\.opam\log\conf-lapack-8324-38664c.env
# output-file C:\opam\.opam\log\conf-lapack-8324-38664c.out
### output ###
# /usr/lib/gcc/x86_64-w64-mingw32/13/../../../../x86_64-w64-mingw32/bin/ld: cannot find
: No such file or directory
# /usr/lib/gcc/x86_64-w64-mingw32/13/../../../../x86_64-w64-mingw32/bin/ld: cannot find -llapack: No such file or directory
# collect2: error: ld returned 1 exit status
#=== ERROR while compiling conf-blas.1 ========================================#
# context 2.5.0 | win32/x86_64 | ocaml-base-compiler.5.4.0 | git+file://C:/cygwin64/home/opam/opam-repository
# path C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1
# command C:\opam\.opam\mingw-5.4\.opam-switch\build\conf-blas.1/test-win.sh
# exit-code 1
# env-file C:\opam\.opam\log\conf-blas-8324-e93ca0.env
# output-file C:\opam\.opam\log\conf-blas-8324-e93ca0.out
### output ###
# /usr/lib/gcc/x86_64-w64-mingw32/13/../../../../x86_64-w64-mingw32/bin/ld: cannot find
: No such file or directory
# /usr/lib/gcc/x86_64-w64-mingw32/13/../../../../x86_64-w64-mingw32/bin/ld: cannot find -lblas: No such file or directory
# collect2: error: ld returned 1 exit status
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions were aborted
| - install lacaml 11.1.1
+-
+- The following actions failed
| - build conf-blas 1
| - build conf-lapack 1
+-
+- The following changes have been performed (the rest was aborted)
| - install csexp 1.5.2
| - install dune 3.21.1
| - install dune-configurator 3.21.1
+-
# To update the current shell environment, run: eval $(opam env)
The former state can be restored with:
C:\cygwin64\usr\local\bin\opam.exe switch import "C:\\opam\\.opam\\mingw-5.4\\.opam-switch\\backup\\state-20260308030111.export"
'C:\cygwin64\usr\local\bin\opam.exe install -vy lacaml.11.1.1' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y lacaml.11.1.1
opam install -vy lacaml.11.1.1
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: lacaml.11.1.1 | 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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