2026-06-14 12:32.07: New job: test patricoferris/ocaml-jansson https://github.com/patricoferris/ocaml-jansson.git#refs/pull/5/head (bc08a58baf4ce5cdcf066ada308b5e7238ccfe99) (windows-x86_64:windows-server-mingw-ltsc2025-5.4_opam-2.5) Base: ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:6b6bcfd98b4600d5c8de1feffe95b566f1c337d961157c2fea3ccf3e3c5939bd Opam project build To reproduce locally: git clone --recursive "https://github.com/patricoferris/ocaml-jansson.git" && cd "ocaml-jansson" && git fetch origin "refs/pull/5/head" && git reset --hard bc08a58b cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:6b6bcfd98b4600d5c8de1feffe95b566f1c337d961157c2fea3ccf3e3c5939bd # windows-server-mingw-ltsc2025-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN ln -f /usr/local/bin/opam-2.5 /usr/local/bin/opam RUN cd ~/opam-repository && (git cat-file -e e8dee6070985e2146f9ef14e5432de435831e572 || git fetch origin master) && git reset -q --hard e8dee6070985e2146f9ef14e5432de435831e572 && git log --no-decorate -n1 --oneline RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version RUN opam update -u COPY --chown=1000:1000 jansson.opam /cygwin64/home/opam/src/./ RUN opam pin add -yn jansson.dev '/cygwin64/home/opam/src/./' RUN echo '(lang dune 3.0)' > '/home/opam/src/./dune-project' ENV DEPS="alcotest.1.9.1 arch-x86_64.1 astring.0.8.5 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.1 conf-cmake.1 conf-mingw-w64-gcc-x86_64.1 csexp.1.5.2 cstruct.6.2.0 ctypes.0.24.0 dune.3.23.1 dune-configurator.3.23.1 ezjsonm.1.3.0 flexdll.0.44 fmt.0.11.0 hex.1.5.0 host-arch-x86_64.1 host-system-mingw.1 integers.0.8.0 jsonm.1.0.2 mingw-w64-shims.1.0.1 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-env-mingw64.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 system-mingw.1 topkg.1.1.1 uutf.1.0.4" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y jansson.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /cygwin64/home/opam/src RUN cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-06-14 12:32.07: Using cache hint "patricoferris/ocaml-jansson-ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:6b6bcfd98b4600d5c8de1feffe95b566f1c337d961157c2fea3ccf3e3c5939bd-windows-server-mingw-ltsc2025-5.4_opam-2.5-d2c9116fbedbfad6c8524f61d14ab384" 2026-06-14 12:32.07: Using OBuilder spec: ((from ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:6b6bcfd98b4600d5c8de1feffe95b566f1c337d961157c2fea3ccf3e3c5939bd) (comment windows-server-mingw-ltsc2025-5.4_opam-2.5) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (run (shell "ln -f /usr/local/bin/opam-2.5 /usr/local/bin/opam")) (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "cd ~/opam-repository && (git cat-file -e e8dee6070985e2146f9ef14e5432de435831e572 || git fetch origin master) && git reset -q --hard e8dee6070985e2146f9ef14e5432de435831e572 && git log --no-decorate -n1 --oneline")) (run (shell "opam init --reinit -ni")) (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "opam update -u")) (copy (src jansson.opam) (dst /cygwin64/home/opam/src/./)) (run (network host) (shell "opam pin add -yn jansson.dev '/cygwin64/home/opam/src/./'")) (run (shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'")) (env DEPS "alcotest.1.9.1 arch-x86_64.1 astring.0.8.5 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.1 conf-cmake.1 conf-mingw-w64-gcc-x86_64.1 csexp.1.5.2 cstruct.6.2.0 ctypes.0.24.0 dune.3.23.1 dune-configurator.3.23.1 ezjsonm.1.3.0 flexdll.0.44 fmt.0.11.0 hex.1.5.0 host-arch-x86_64.1 host-system-mingw.1 integers.0.8.0 jsonm.1.0.2 mingw-w64-shims.1.0.1 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-env-mingw64.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 system-mingw.1 topkg.1.1.1 uutf.1.0.4") (env CI true) (env OCAMLCI true) (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "opam update --depexts && opam install --cli=2.5 --depext-only -y jansson.dev $DEPS")) (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "opam install $DEPS")) (copy (src .) (dst /cygwin64/home/opam/src)) (run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build")) ) 2026-06-14 12:32.07: Waiting for resource in pool OCluster 2026-06-14 19:51.29: Waiting for worker… 2026-06-14 21:14.45: Connecting to build cluster… 2026-06-14 21:14.56: Waiting for worker… 2026-06-15 05:06.13: Got resource from pool OCluster Building on ltsc2025-1 Submodule path 'vendor/jansson': checked out '2882ead5bb90cf12a01b07b2c2361e24960fae02' HEAD is now at 42cb429 Install so versions Synchronizing submodule url for 'vendor/jansson' Cleared directory 'vendor/jansson' Submodule 'vendor/jansson' (https://github.com/akheron/jansson) unregistered for path 'vendor/jansson' HEAD is now at bc08a58 Update vendored dependency to fix build error Cleared directory 'vendor/jansson' Submodule path 'vendor/jansson': checked out '4a9a6db73d5dc553164992e87426502ab2d54512' (from ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:6b6bcfd98b4600d5c8de1feffe95b566f1c337d961157c2fea3ccf3e3c5939bd) 2026-06-15 05:06.42 ---> using "47f7838a4aa9bba8b4a71358c252d241055ea2dd7e9e55067a8fc43fd8ca6486" from cache C:/: (comment windows-server-mingw-ltsc2025-5.4_opam-2.5) C:/: (user (uid 1000) (gid 1000)) C:/: (env CLICOLOR_FORCE 1) C:/: (env OPAMCOLOR always) C:/: (run (shell "ln -f /usr/local/bin/opam-2.5 /usr/local/bin/opam")) 2026-06-15 05:06.42 ---> using "13c53a6739a624f85cfa07c5897ebb2fe832e07df2a198c2ee35e9bcf7662cb5" from cache C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "cd ~/opam-repository && (git cat-file -e e8dee6070985e2146f9ef14e5432de435831e572 || git fetch origin master) && git reset -q --hard e8dee6070985e2146f9ef14e5432de435831e572 && git log --no-decorate -n1 --oneline")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 1138ca347f..bfde4320ee master -> origin/master e8dee60709 Merge pull request #30040 from dra27/mingw-w64-shims 2026-06-15 05:06.42 ---> using "968082438e6e0a223c5af51e65b532a0b40f74cd1f589011be373780a37d5378" from cache C:/: (run (shell "opam init --reinit -ni")) No configuration file found, using built-in defaults. <><> Unix support infrastructure ><><><><><><><><><><><><><><><><><><><><><><><> opam and the OCaml ecosystem in general require various Unix tools in order to operate correctly. At present, this requires the installation of Cygwin to provide these tools. How should opam obtain Unix tools? > 1. Use tools found in PATH (Cygwin installation at C:\cygwin64) 2. Automatically create an internal Cygwin installation that will be managed by opam (recommended) 3. Use Cygwin installation found in C:\cygwin64 4. Use another existing Cygwin/MSYS2 installation 5. Abort initialisation [1/2/3/4/5] 1 Checking for available remotes: rsync and local, git. - you won't be able to use mercurial repositories unless you install the hg command on your system. - you won't be able to use darcs repositories unless you install the darcs command on your system. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-06-15 05:06.42 ---> using "aa68071369c6fd8d9655c43e16dbd60ef3c328bc3a39a290cdd7d5ae8f661453" from cache C:/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) CYGWIN_NT-10.0-26100 3.6.9-1.x86_64 The OCaml toplevel, version 5.4.1 2.5.1 2026-06-15 05:06.42 ---> using "7bd0a3ba5f5c6afdfde4f7b76f874f9977ac54eca590d91d0c0f2acc489f454c" from cache C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "opam update -u")) <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file://C:/cygwin64/home/opam/opam-repository The following actions will be performed: === recompile 10 packages - recompile base-domains base [uses ocaml] - recompile base-effects base [uses ocaml] - recompile base-nnp base [uses base-domains] - recompile conf-mingw-w64-gcc-x86_64 1 [uses mingw-w64-shims] - recompile ocaml 5.4.1 [uses ocaml-env-mingw64] - recompile ocaml-base-compiler 5.4.1 (pinned) [uses ocaml-compiler] - recompile ocaml-compiler 5.4.1 [uses system-mingw] - recompile ocaml-config 3 [uses ocaml-base-compiler] - recompile ocaml-env-mingw64 1 [uses mingw-w64-shims] - recompile system-mingw 1 [uses ocaml-env-mingw64] === upgrade 1 package - upgrade mingw-w64-shims 0.2.0 to 1.0.1 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved ocaml-config.3 (cached) -> removed base-effects.base -> removed base-nnp.base -> removed base-domains.base -> removed ocaml.5.4.1 -> removed ocaml-config.3 -> removed ocaml-base-compiler.5.4.1 -> retrieved conf-mingw-w64-gcc-x86_64.1 (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/1.0.1.tar.gz) -> retrieved ocaml-compiler.5.4.1 (cached) -> removed ocaml-compiler.5.4.1 -> removed system-mingw.1 -> removed ocaml-env-mingw64.1 -> removed mingw-w64-shims.0.2.0 -> removed conf-mingw-w64-gcc-x86_64.1 -> installed mingw-w64-shims.1.0.1 -> installed conf-mingw-w64-gcc-x86_64.1 -> installed ocaml-env-mingw64.1 -> installed system-mingw.1 -> installed ocaml-compiler.5.4.1 -> installed ocaml-base-compiler.5.4.1 -> installed ocaml-config.3 -> installed ocaml.5.4.1 -> installed base-domains.base -> installed base-effects.base -> installed base-nnp.base Done. # To update the current shell environment, run: eval $(opam env) 2026-06-15 05:06.42 ---> using "1f974f2a6db6f8322b3912acb34c625201b303dd7504b5a6e613ac834a53be66" from cache C:/: (copy (src jansson.opam) (dst /cygwin64/home/opam/src/./)) 2026-06-15 05:07.18 ---> saved as "e713a4bb68e29f5ed2c21bf79c52853052e1035eca17e97302cba850b1030494" C:/: (run (network host) (shell "opam pin add -yn jansson.dev '/cygwin64/home/opam/src/./'")) [NOTE] Package jansson does not exist in opam repositories registered in the current switch. [jansson.dev] synchronised (file://C:/cygwin64/home/opam/src) jansson is now pinned to file://C:/cygwin64/home/opam/src (version dev) 2026-06-15 05:08.05 ---> saved as "e9508d4c0b5f452a1f16bc5ca2fa7397808f41d42d1b26d1930defa1f546fddb" C:/: (run (shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'")) 2026-06-15 05:08.42 ---> saved as "39ed3fc532e952133dd1c7e09cf6aff2738eb490fc5e96fa5cc841121b3841a1" C:/: (env DEPS "alcotest.1.9.1 arch-x86_64.1 astring.0.8.5 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.1 conf-cmake.1 conf-mingw-w64-gcc-x86_64.1 csexp.1.5.2 cstruct.6.2.0 ctypes.0.24.0 dune.3.23.1 dune-configurator.3.23.1 ezjsonm.1.3.0 flexdll.0.44 fmt.0.11.0 hex.1.5.0 host-arch-x86_64.1 host-system-mingw.1 integers.0.8.0 jsonm.1.0.2 mingw-w64-shims.1.0.1 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-env-mingw64.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 system-mingw.1 topkg.1.1.1 uutf.1.0.4") C:/: (env CI true) C:/: (env OCAMLCI true) C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "opam update --depexts && opam install --cli=2.5 --depext-only -y jansson.dev $DEPS")) <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [jansson.dev] synchronised (file://C:/cygwin64/home/opam/src) [NOTE] Package system-mingw is already installed (current version is 1). [NOTE] Package ocaml-options-vanilla is already installed (current version is 1). [NOTE] Package ocaml-env-mingw64 is already installed (current version is 1). [NOTE] Package ocaml-config is already installed (current version is 3). [NOTE] Package ocaml-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [NOTE] Package mingw-w64-shims is already installed (current version is 1.0.1). [NOTE] Package host-system-mingw is already installed (current version is 1). [NOTE] Package host-arch-x86_64 is already installed (current version is 1). [NOTE] Package flexdll is already installed (current version is 0.44). [NOTE] Package conf-mingw-w64-gcc-x86_64 is already installed (current version is 1). [NOTE] Package base-unix is already installed (current version is base). [NOTE] Package base-threads is already installed (current version is base). [NOTE] Package base-nnp is already installed (current version is base). [NOTE] Package base-effects is already installed (current version is base). [NOTE] Package base-domains is already installed (current version is base). [NOTE] Package base-bigarray is already installed (current version is base). [NOTE] Package arch-x86_64 is already installed (current version is 1). The following system packages will first need to be installed: cmake <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + C:\opam\.opam\.cygwin\setup-x86_64.exe "--root" "C:\\cygwin64" "--quiet-mode" "unattended" "--no-shortcuts" "--no-startmenu" "--no-desktop" "--no-admin" "--no-version-check" "--no-write-registry" "--packages" "cmake" - Starting cygwin install, version 2.937 - User has backup/restore rights - User has symlink creation right - Current Directory: C:\TEMP\cache - root: C:\cygwin64 system - Changing gid to Administrators - Selected local directory: C:\TEMP\cache - net: Preconfig - site: https://mirrors.kernel.org/sourceware/cygwin/ - solving: 1 tasks, update: no, use test packages: no - solving: 7 tasks, update: no, use test packages: no - Augmented Transaction List: - 0 install libjsoncpp26 1.9.6-1 - 1 install liblzo2_2 2.10-2 - 2 install librhash0 1.4.1-1 - 3 install libuv1 1.50.0-1 - 4 install libxml2 2.10.4-2 - 5 install libarchive13 3.8.7-1 - 6 install cmake 4.2.1-1 - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/jsoncpp/libjsoncpp26/libjsoncpp26-1.9.6-1.tar.xz - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/liblzo2/liblzo2_2/liblzo2_2-2.10-2.tar.xz - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/rhash/librhash0/librhash0-1.4.1-1.tar.xz - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/libuv/libuv1/libuv1-1.50.0-1.tar.xz - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/libxml2/libxml2-2.10.4-2.tar.xz - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/libarchive/libarchive13/libarchive13-3.8.7-1-x86_64.tar.zst - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/cmake/cmake-4.2.1-1-x86_64.tar.xz - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/jsoncpp/libjsoncpp26/libjsoncpp26-1.9.6-1.tar.xz - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/liblzo2/liblzo2_2/liblzo2_2-2.10-2.tar.xz - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/rhash/librhash0/librhash0-1.4.1-1.tar.xz - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/libuv/libuv1/libuv1-1.50.0-1.tar.xz - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/libxml2/libxml2-2.10.4-2.tar.xz - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/libarchive/libarchive13/libarchive13-3.8.7-1-x86_64.tar.zst - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/cmake/cmake-4.2.1-1-x86_64.tar.xz - running: C:\cygwin64\bin\dash.exe "/etc/postinstall/0p_000_autorebase.dash" - running: C:\cygwin64\bin\dash.exe "/etc/postinstall/0p_update-info-dir.dash" - running: C:\cygwin64\bin\bash.exe --norc --noprofile "/etc/postinstall/libxml2.sh" - running: C:\cygwin64\bin\dash.exe "/etc/postinstall/zp_man-db-update-index.dash" - running: C:\cygwin64\bin\bash.exe --norc --noprofile "/etc/postinstall/zp_zcygsympathy.sh" - Ending cygwin install # To update the current shell environment, run: eval $(opam env) 2026-06-15 05:37.49 ---> saved as "12385418d63806c80fab9497da967dd01ee2200017b0da134b06889ea05a4a42" C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "opam install $DEPS")) [NOTE] Package system-mingw is already installed (current version is 1). [NOTE] Package ocaml-options-vanilla is already installed (current version is 1). [NOTE] Package ocaml-env-mingw64 is already installed (current version is 1). [NOTE] Package ocaml-config is already installed (current version is 3). [NOTE] Package ocaml-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [NOTE] Package mingw-w64-shims is already installed (current version is 1.0.1). [NOTE] Package host-system-mingw is already installed (current version is 1). [NOTE] Package host-arch-x86_64 is already installed (current version is 1). [NOTE] Package flexdll is already installed (current version is 0.44). [NOTE] Package conf-mingw-w64-gcc-x86_64 is already installed (current version is 1). [NOTE] Package base-unix is already installed (current version is base). [NOTE] Package base-threads is already installed (current version is base). [NOTE] Package base-nnp is already installed (current version is base). [NOTE] Package base-effects is already installed (current version is base). [NOTE] Package base-domains is already installed (current version is base). [NOTE] Package base-bigarray is already installed (current version is base). [NOTE] Package arch-x86_64 is already installed (current version is 1). The following actions will be performed: === install 22 packages - install alcotest 1.9.1 - install astring 0.8.5 - install cmdliner 2.1.1 - install conf-cmake 1 - install csexp 1.5.2 - install cstruct 6.2.0 - install ctypes 0.24.0 - install dune 3.23.1 - install dune-configurator 3.23.1 - install ezjsonm 1.3.0 - install fmt 0.11.0 - install hex 1.5.0 - install integers 0.8.0 - install jsonm 1.0.2 - install ocaml-syntax-shims 1.0.0 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install re 1.14.0 - install sexplib0 v0.17.0 - install stdlib-shims 0.3.0 - install topkg 1.1.1 - install uutf 1.0.4 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved alcotest.1.9.1 (cached) -> retrieved conf-cmake.1 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved cmdliner.2.1.1 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved ctypes.0.24.0 (cached) -> retrieved ezjsonm.1.3.0 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved hex.1.5.0 (cached) -> retrieved integers.0.8.0 (cached) -> retrieved jsonm.1.0.2 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> installed conf-cmake.1 -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved re.1.14.0 (cached) -> retrieved sexplib0.v0.17.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved dune.3.23.1, dune-configurator.3.23.1 (cached) -> installed cmdliner.2.1.1 -> installed ocamlbuild.0.16.1 [WARNING] .install file is missing .exe extension for src/findlib/ocamlfind [WARNING] .install file is missing .exe extension for src/findlib/ocamlfind_opt [WARNING] Automatically adding .exe to C:\opam\.opam\5.4\.opam-switch\build\ocamlfind.1.9.8\src\findlib\ocamlfind.exe [WARNING] Automatically adding .exe to C:\opam\.opam\5.4\.opam-switch\build\ocamlfind.1.9.8\src\findlib\ocamlfind_opt.exe [WARNING] C:\opam\.opam\5.4\bin\safe_camlp4 is a script; the command won't be available -> installed ocamlfind.1.9.8 -> installed topkg.1.1.1 -> installed uutf.1.0.4 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed jsonm.1.0.2 -> installed dune.3.23.1 -> installed csexp.1.5.2 -> installed cstruct.6.2.0 -> installed ocaml-syntax-shims.1.0.0 -> installed re.1.14.0 -> installed hex.1.5.0 -> installed sexplib0.v0.17.0 -> installed stdlib-shims.0.3.0 -> installed ezjsonm.1.3.0 -> installed dune-configurator.3.23.1 -> installed integers.0.8.0 -> installed alcotest.1.9.1 -> installed ctypes.0.24.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-06-15 05:51.46 ---> saved as "a07e1b69ebac9699b97dc6a92eb95d1b56d62b69c64624fc9ebe6436743e49e3" C:/: (copy (src .) (dst /cygwin64/home/opam/src)) 2026-06-15 05:57.28 ---> saved as "151aed10a5a9e3b44be324fa62d611ec2b880fec5e8ebcb1431418b089e0937a" C:/: (run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build")) File "src/c/_unknown_", line 1, characters 0-0: Error: No rule found for src/c/dlljansson.dll File "src/c/dune", lines 79-119, characters 0-1293: 79 | (rule 80 | (deps 81 | (source_tree %{project_root}/vendor/jansson)) ..... 117 | (copy 118 | %{project_root}/vendor/jansson/build/lib/libjansson%{ext_lib} 119 | %{project_root}/src/c/libjansson.a))))))))) (cd _build/default/vendor/jansson/build && C:\cygwin64\bin\cmake.exe .. -DJANSSON_BUILD_SHARED_LIBS=1) -- The C compiler identification is unknown -- Configuring incomplete, errors occurred! CMake Error at CMakeLists.txt:2 (project): No CMAKE_C_COMPILER could be found. Tell CMake where to find the compiler by setting either the environment variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to the compiler, or to the compiler name if it is in the PATH. "C:\cygwin64\bin\bash.exe" "-lc" "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-06-15 05:58.44: Job failed: Failed: Build failed