Building on ltsc2025-3
(from ocaml/opam:windows-server-mingw-ltsc2025-opam)
2026-03-08 19:12.16 ---> 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 19:12.16 ---> 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 19:12.16 ---> 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 19:12.16 ---> 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 $(opam env --switch=mingw-5.4)
2026-03-08 19:12.16 ---> using "bde3e22405d3d4b8eb936b6a5924016abe757c72ef4284f806d0ffa633cf6608" from cache
C:/: (run (network host)
(shell "opam update --depexts"))
2026-03-08 19:12.16 ---> using "52107e23401ba5a409505a63e9d96ae2fb84390238c362f7049829fa18c5671f" from cache
C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))
(network host)
(shell "opam remove -y mlsolver.1.5\
\nopam install -vy mlsolver.1.5\
\nres=$?\
\nif [ $res = 31 ]; then\
\n if opam show -f x-ci-accept-failures: mlsolver.1.5 | 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] mlsolver.1.5 is not installed.
Nothing to do.
The following actions will be performed:
=== install 9 packages
- install cppo 1.8.0 [required by extlib]
- install dune 3.21.1 [required by mlsolver]
- install extlib 1.8.0 [required by mlsolver]
- install minisat 0.6 [required by ocaml-sat-solvers]
- install mlsolver 1.5
- install num 1.6 [required by mlsolver]
- install ocaml-sat-solvers 0.8 [required by mlsolver]
- install pgsolver 4.4 [required by mlsolver]
- install tcs-lib 0.6 [required by mlsolver]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing 1/27: [cppo.1.8.0: extract]
Processing 2/27: [cppo.1.8.0: extract] [dune.3.21.1: extract]
Processing 3/27: [cppo.1.8.0: extract] [dune.3.21.1: extract] [extlib.1.8.0: extract]
-> retrieved cppo.1.8.0 (cached)
Processing 3/27: [dune.3.21.1: extract] [extlib.1.8.0: extract]
Processing 4/27: [dune.3.21.1: extract] [extlib.1.8.0: extract] [minisat.0.6: http]
-> retrieved extlib.1.8.0 (cached)
Processing 4/27: [dune.3.21.1: extract] [minisat.0.6: http]
Processing 5/27: [dune.3.21.1: extract] [minisat.0.6: http] [mlsolver.1.5: http]
Processing 5/27: [dune.3.21.1: extract] [minisat.0.6: extract] [mlsolver.1.5: http]
Processing 5/27: [dune.3.21.1: extract] [minisat.0.6: extract] [mlsolver.1.5: extract]
-> retrieved minisat.0.6 (https://github.com/c-cube/ocaml-minisat/releases/download/v0.6/minisat-0.6.tbz)
Processing 5/27: [dune.3.21.1: extract] [mlsolver.1.5: extract]
Processing 6/27: [dune.3.21.1: extract] [mlsolver.1.5: extract] [num.1.6: extract]
-> retrieved mlsolver.1.5 (https://github.com/tcsprojects/mlsolver/releases/download/v1.5/mlsolver-1.5.tbz)
Processing 6/27: [dune.3.21.1: extract] [num.1.6: extract]
Processing 7/27: [dune.3.21.1: extract] [num.1.6: extract] [ocaml-sat-solvers.0.8: http]
-> retrieved num.1.6 (cached)
Processing 7/27: [dune.3.21.1: extract] [ocaml-sat-solvers.0.8: http]
Processing 8/27: [dune.3.21.1: extract] [ocaml-sat-solvers.0.8: http] [pgsolver.4.4: http]
Processing 9/27: [dune.3.21.1: extract] [ocaml-sat-solvers.0.8: http] [pgsolver.4.4: http] [num: make opam-modern]
Processing 9/27: [dune.3.21.1: extract] [ocaml-sat-solvers.0.8: extract] [pgsolver.4.4: http] [num: make opam-modern]
Processing 9/27: [dune.3.21.1: extract] [ocaml-sat-solvers.0.8: extract] [pgsolver.4.4: extract] [num: make opam-modern]
-> retrieved ocaml-sat-solvers.0.8 (https://github.com/tcsprojects/ocaml-sat-solvers/releases/download/v0.8/ocaml-sat-solvers-0.8.tbz)
Processing 9/27: [dune.3.21.1: extract] [pgsolver.4.4: extract] [num: make opam-modern]
Processing 10/27: [dune.3.21.1: extract] [pgsolver.4.4: extract] [tcs-lib.0.6: http] [num: make opam-modern]
-> retrieved pgsolver.4.4 (https://github.com/tcsprojects/pgsolver/releases/download/v4.4/pgsolver-4.4.tbz)
Processing 10/27: [dune.3.21.1: extract] [tcs-lib.0.6: http] [num: make opam-modern]
Processing 10/27: [dune.3.21.1: extract] [tcs-lib.0.6: extract] [num: make opam-modern]
-> retrieved tcs-lib.0.6 (https://github.com/tcsprojects/tcslib/releases/download/v0.6/tcs-lib-0.6.tbz)
Processing 10/27: [dune.3.21.1: extract] [num: make opam-modern]
-> retrieved dune.3.21.1 (cached)
Processing 10/27: [num: make opam-modern]
Processing 11/27: [dune: ocaml 15] [num: make opam-modern]
+ C:\cygwin64\bin\make.exe "PROFILE=release" "opam-modern" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\num.1.6)
- /usr/bin/make -C src all
- make[1]: Entering directory '/cygdrive/c/opam/.opam/mingw-5.4/.opam-switch/build/num.1.6/src'
- ocamlc -ccopt -DBNG_ARCH_amd64 -c bng.c
- ocamlc -ccopt -DBNG_ARCH_amd64 -c nat_stubs.c
- ocamlmklib -oc nums bng.o nat_stubs.o
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c int_misc.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c int_misc.ml
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c nat.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c nat.ml
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c big_int.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c big_int.ml
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_flags.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_flags.ml
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c ratio.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c ratio.ml
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num.ml
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_status.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_status.ml
- ocamlmklib -o nums -oc nums -linkall int_misc.cmo nat.cmo big_int.cmo arith_flags.cmo ratio.cmo num.cmo arith_status.cmo
- cp ../toplevel/num_top_printers.mli ../toplevel/num_top.mli ../toplevel/num_top_printers.ml ../toplevel/num_top.ml .
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num_top_printers.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num_top_printers.ml
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num_top.mli
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num_top.ml
- ocamlc -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -a -o num_top.cma num_top_printers.cmo num_top.cmo
- echo 'version = "1.7~dev"' > META.top
- cat META.num-top.in >> META.top
- ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c int_misc.ml
- ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c nat.ml
- ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c big_int.ml
- ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_flags.ml
- ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c ratio.ml
- ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c num.ml
- ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -c arith_status.ml
- ocamlmklib -o nums -oc nums -linkall int_misc.cmx nat.cmx big_int.cmx arith_flags.cmx ratio.cmx num.cmx arith_status.cmx
- ocamlopt -w +a-4-9-41-42-44-45-48 -bin-annot -g -safe-string -strict-sequence -strict-formats -I +compiler-libs -I . -shared -o nums.cmxs nums.cmxa
- make[1]: Leaving directory '/cygdrive/c/opam/.opam/mingw-5.4/.opam-switch/build/num.1.6/src'
- cp src/num-modern.install num.install
-> compiled num.1.6
Processing 11/27: [dune: ocaml 15]
-> installed num.1.6
Processing 12/27: [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 12/27: [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 14/27: [cppo: dune build]
Processing 15/27: [cppo: dune build] [minisat: dune build]
Processing 16/27: [cppo: dune build] [minisat: dune build] [tcs-lib: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "minisat" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\minisat.0.6)
[ERROR] The compilation of minisat.0.6 failed at "dune build -p minisat -j 15".
- File "src/dune", line 12, characters 27-33:
- 12 | (names libminisat_stubs Solver)))
- ^^^^^^
- (cd _build/default/src && C:\cygwin64\bin\x86_64-w64-mingw32-gcc.exe -O2 -fno-strict-aliasing -fwrapv -mms-bitfields -fPIC -std=c++11 -g -I C:/opam/.opam/mingw-5.4/lib/ocaml -I minisat-cpp -I minisat-cpp/mtl -I minisat-cpp/core -o Solver.o -c Solver.cc)
- x86_64-w64-mingw32-gcc: fatal error: cannot execute ‘cc1plus’: spawn: No such file or directory
- compilation terminated.
- File "src/dune", line 12, characters 10-26:
- 12 | (names libminisat_stubs Solver)))
- ^^^^^^^^^^^^^^^^
- (cd _build/default/src && C:\cygwin64\bin\x86_64-w64-mingw32-gcc.exe -O2 -fno-strict-aliasing -fwrapv -mms-bitfields -fPIC -std=c++11 -g -I C:/opam/.opam/mingw-5.4/lib/ocaml -I minisat-cpp -I minisat-cpp/mtl -I minisat-cpp/core -o libminisat_stubs.o -c libminisat_stubs.cpp)
- x86_64-w64-mingw32-gcc: fatal error: cannot execute ‘cc1plus’: spawn: No such file or directory
- compilation terminated.
Processing 16/27: [cppo: dune build] [tcs-lib: dune build]
Processing 17/27: [cppo: dune build] [tcs-lib: dune build]
Processing 18/27: [cppo: dune build] [tcs-lib: dune build]
Processing 19/27: [cppo: dune build] [tcs-lib: 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 19/27: [tcs-lib: dune build]
-> installed cppo.1.8.0
Processing 20/27: [tcs-lib: dune build]
Processing 21/27: [extlib: dune build] [tcs-lib: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "tcs-lib" "-j" "15" "@install" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\tcs-lib.0.6)
-> compiled tcs-lib.0.6
Processing 21/27: [extlib: dune build]
-> installed tcs-lib.0.6
Processing 22/27: [extlib: dune build]
+ C:\opam\.opam\mingw-5.4\bin\dune.exe "build" "-p" "extlib" "-j" "15" (CWD=C:\opam\.opam\mingw-5.4\.opam-switch\build\extlib.1.8.0)
-> compiled extlib.1.8.0
-> installed extlib.1.8.0
#=== ERROR while compiling minisat.0.6 ========================================#
# 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\minisat.0.6
# command C:\opam\.opam\mingw-5.4\bin\dune.exe build -p minisat -j 15
# exit-code 1
# env-file C:\opam\.opam\log\minisat-30352-302aa8.env
# output-file C:\opam\.opam\log\minisat-30352-302aa8.out
### output ###
# [...]
# File "src/dune", line 12, characters 27-33:
# 12 | (names libminisat_stubs Solver)))
# ^^^^^^
# (cd _build/default/src && C:\cygwin64\bin\x86_64-w64-mingw32-gcc.exe -O2 -fno-strict-aliasing -fwrapv -mms-bitfields -fPIC -std=c++11 -g -I C:/opam/.opam/mingw-5.4/lib/ocaml -I minisat-cpp -I minisat-cpp/mtl -I minisat-cpp/core -o Solver.o -c Solver.cc)
# x86_64-w64-mingw32-gcc: fatal error: cannot execute ‘cc1plus’: spawn: No such file or directory
# compilation terminated.
# File "src/dune", line 12, characters 10-26:
# 12 | (names libminisat_stubs Solver)))
# ^^^^^^^^^^^^^^^^
# (cd _build/default/src && C:\cygwin64\bin\x86_64-w64-mingw32-gcc.exe -O2 -fno-strict-aliasing -fwrapv -mms-bitfields -fPIC -std=c++11 -g -I C:/opam/.opam/mingw-5.4/lib/ocaml -I minisat-cpp -I minisat-cpp/mtl -I minisat-cpp/core -o libminisat_stubs.o -c libminisat_stubs.cpp)
# x86_64-w64-mingw32-gcc: fatal error: cannot execute ‘cc1plus’: spawn: No such file or directory
# compilation terminated.
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions were aborted
| - install mlsolver 1.5
| - install ocaml-sat-solvers 0.8
| - install pgsolver 4.4
+-
+- The following actions failed
| - build minisat 0.6
+-
+- The following changes have been performed (the rest was aborted)
| - install cppo 1.8.0
| - install dune 3.21.1
| - install extlib 1.8.0
| - install num 1.6
| - install tcs-lib 0.6
+-
# To update the current shell environment, run: eval $(opam env)
The former state can be restored with:
C:\cygwin64\usr\local\bin\opam.exe switch import "C:\\opam\\.opam\\mingw-5.4\\.opam-switch\\backup\\state-20260308191247.export"
'C:\cygwin64\usr\local\bin\opam.exe install -vy mlsolver.1.5' failed.
"C:\cygwin64\bin\bash.exe" "-lc" "opam remove -y mlsolver.1.5
opam install -vy mlsolver.1.5
res=$?
if [ $res = 31 ]; then
if opam show -f x-ci-accept-failures: mlsolver.1.5 | 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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