2026-06-25 19:04.08: New job: test joelburget/monaco-ocaml https://github.com/joelburget/monaco-ocaml.git#refs/heads/main (b30eb6ff95294a8886dc9eda78ae4f8aa19b9e2d) (windows-x86_64:windows-server-mingw-ltsc2025-5.5_opam-2.5) Base: ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.5@sha256:09d59f354e8a8fefb18d63a6727f1e6cf91a18b915d2dd89ae3e1162e2b364d5 Opam project build To reproduce locally: git clone --recursive "https://github.com/joelburget/monaco-ocaml.git" -b "main" && cd "monaco-ocaml" && git reset --hard b30eb6ff cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.5@sha256:09d59f354e8a8fefb18d63a6727f1e6cf91a18b915d2dd89ae3e1162e2b364d5 # windows-server-mingw-ltsc2025-5.5_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 5ab226379cbc20f7c98d3404992c2a9396c8e382 || git fetch origin master) && git reset -q --hard 5ab226379cbc20f7c98d3404992c2a9396c8e382 && 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 require.opam monarch.opam monaco.opam /cygwin64/home/opam/src/./ RUN opam pin add -yn require.dev '/cygwin64/home/opam/src/./' && \ opam pin add -yn monarch.dev '/cygwin64/home/opam/src/./' && \ opam pin add -yn monaco.dev '/cygwin64/home/opam/src/./' RUN echo '(lang dune 3.0)' > '/home/opam/src/./dune-project' ENV DEPS="arch-x86_64.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base brr.0.0.8 cmdliner.2.1.1 compiler-cloning.enabled conf-mingw-w64-gcc-x86_64.1 dune.3.23.1 either.1.0.0 flexdll.0.44 gen.1.1 host-arch-x86_64.1 host-system-mingw.1 js_of_ocaml-compiler.6.4.0 js_of_ocaml-toplevel.6.4.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 mingw-w64-shims.1.0.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-compiler-libs.v0.17.0 ocaml-env-mingw64.1 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppxlib.0.38.0 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 system-mingw.1 topkg.1.1.1 yojson.3.0.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y require.dev monarch.dev monaco.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 2026-06-25 19:04.08: Using cache hint "joelburget/monaco-ocaml-ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.5@sha256:09d59f354e8a8fefb18d63a6727f1e6cf91a18b915d2dd89ae3e1162e2b364d5-windows-server-mingw-ltsc2025-5.5_opam-2.5-b0b816ddd140c442a4640be439eaf5c9" 2026-06-25 19:04.08: Using OBuilder spec: ((from ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.5@sha256:09d59f354e8a8fefb18d63a6727f1e6cf91a18b915d2dd89ae3e1162e2b364d5) (comment windows-server-mingw-ltsc2025-5.5_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 5ab226379cbc20f7c98d3404992c2a9396c8e382 || git fetch origin master) && git reset -q --hard 5ab226379cbc20f7c98d3404992c2a9396c8e382 && 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 require.opam monarch.opam monaco.opam) (dst /cygwin64/home/opam/src/./)) (run (network host) (shell "opam pin add -yn require.dev '/cygwin64/home/opam/src/./' && \ \nopam pin add -yn monarch.dev '/cygwin64/home/opam/src/./' && \ \nopam pin add -yn monaco.dev '/cygwin64/home/opam/src/./'")) (run (shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'")) (env DEPS "arch-x86_64.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base brr.0.0.8 cmdliner.2.1.1 compiler-cloning.enabled conf-mingw-w64-gcc-x86_64.1 dune.3.23.1 either.1.0.0 flexdll.0.44 gen.1.1 host-arch-x86_64.1 host-system-mingw.1 js_of_ocaml-compiler.6.4.0 js_of_ocaml-toplevel.6.4.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 mingw-w64-shims.1.0.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-compiler-libs.v0.17.0 ocaml-env-mingw64.1 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppxlib.0.38.0 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 system-mingw.1 topkg.1.1.1 yojson.3.0.0") (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 require.dev monarch.dev monaco.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")) ) 2026-06-25 19:04.08: Waiting for resource in pool OCluster 2026-06-26 09:16.49: Waiting for worker… 2026-06-26 20:37.12: Got resource from pool OCluster Building on ltsc2025-1 All commits already cached HEAD is now at b30eb6f Add ISC license. (from ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.5@sha256:09d59f354e8a8fefb18d63a6727f1e6cf91a18b915d2dd89ae3e1162e2b364d5) 2026-06-26 20:37.24 ---> using "3b6bc604d28e084d5b6d5486e783230e56b2ecc972698a8cc035cefe952f83d5" from cache C:/: (comment windows-server-mingw-ltsc2025-5.5_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")) 2026-06-26 20:37.24 ---> using "89ef61d9d684b1e10620d147318bbf73e511dcd739aa2d0c8f945218f023847a" from cache C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 5ab226379cbc20f7c98d3404992c2a9396c8e382 || git fetch origin master) && git reset -q --hard 5ab226379cbc20f7c98d3404992c2a9396c8e382 && git log --no-decorate -n1 --oneline")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD edbf61b356..10b9bc8242 master -> origin/master warning: unable to unlink '/home/opam/opam-repository/.git/objects/maintenance.lock': Permission denied 5ab226379c Merge pull request #30088 from hhugo/release-js_of_ocaml-6.4.0 2026-06-26 20:59.10 ---> saved as "943a4c0dacab98a34154c8dba9ea0f696dd8183df1cbe21a029becad5c7e43bc" 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 2026-06-26 21:28.18 ---> saved as "d4fe191d6c6977d22459cb152a622901561241f9ede04cf56415842d7c0c072b" 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 5.5.0 2.5.1 2026-06-26 21:29.17 ---> saved as "2ea51d69885958c2001623959d73a6767b521dedeb0a42a463bf9d01b3ed9bb0" 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 6 packages - recompile base-domains base [uses ocaml] - recompile base-effects base [uses ocaml] - recompile base-nnp base [uses base-domains] - recompile ocaml 5.5.0 [uses ocaml-base-compiler] - recompile ocaml-base-compiler 5.5.0 (pinned) [uses ocaml-compiler] - recompile ocaml-compiler 5.5.0 [upstream or system changes] === install 1 package - install compiler-cloning enabled [required by ocaml-compiler] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved ocaml.5.5.0 (cached) -> removed base-effects.base -> removed base-nnp.base -> removed base-domains.base -> removed ocaml.5.5.0 -> removed ocaml-base-compiler.5.5.0 -> installed compiler-cloning.enabled -> retrieved ocaml-compiler.5.5.0 (cached) -> removed ocaml-compiler.5.5.0 -> installed ocaml-compiler.5.5.0 -> installed ocaml-base-compiler.5.5.0 -> installed ocaml.5.5.0 -> installed base-domains.base -> installed base-effects.base -> installed base-nnp.base Done. <><> ocaml-compiler.5.5.0 installed successfully ><><><><><><><><><><><><><><><> => This switch had to be compiled from sources, but future switches with the 🐌 same compiler version and configuration should assemble instantly. # To update the current shell environment, run: eval $(opam env) 2026-06-26 21:56.10 ---> saved as "7672aaead2ed025910b31edeae24bdd5c113806c7482b27fa398eb165ade9f54" C:/: (copy (src require.opam monarch.opam monaco.opam) (dst /cygwin64/home/opam/src/./)) 2026-06-26 21:56.51 ---> saved as "54463a280bd102ff9f7188f5dd022ca2eee682745a9752b3858f9cabff95ce22" C:/: (run (network host) (shell "opam pin add -yn require.dev '/cygwin64/home/opam/src/./' && \ \nopam pin add -yn monarch.dev '/cygwin64/home/opam/src/./' && \ \nopam pin add -yn monaco.dev '/cygwin64/home/opam/src/./'")) [NOTE] Package require does not exist in opam repositories registered in the current switch. [require.dev] synchronised (file://C:/cygwin64/home/opam/src) [WARNING] Failed checks on require package definition from source at file://C:/cygwin64/home/opam/src: warning 35: Missing field 'homepage' warning 36: Missing field 'bug-reports' require is now pinned to file://C:/cygwin64/home/opam/src (version dev) [NOTE] Package monarch does not exist in opam repositories registered in the current switch. [monarch.dev] synchronised (file://C:/cygwin64/home/opam/src) [WARNING] Failed checks on monarch package definition from source at file://C:/cygwin64/home/opam/src: warning 35: Missing field 'homepage' warning 36: Missing field 'bug-reports' monarch is now pinned to file://C:/cygwin64/home/opam/src (version dev) [NOTE] Package monaco does not exist in opam repositories registered in the current switch. [monaco.dev] synchronised (file://C:/cygwin64/home/opam/src) [WARNING] Failed checks on monaco package definition from source at file://C:/cygwin64/home/opam/src: warning 35: Missing field 'homepage' warning 36: Missing field 'bug-reports' monaco is now pinned to file://C:/cygwin64/home/opam/src (version dev) 2026-06-26 21:58.01 ---> saved as "be1d0e41a1881be4740019909f1a95b68f55fab12b5400ab610c483f19a241f2" C:/: (run (shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'")) 2026-06-26 21:59.02 ---> saved as "667e65ff52f31075b2b83d8cf84e5893ac2844c1ae1b319f7fc7f5211beeca62" C:/: (env DEPS "arch-x86_64.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base brr.0.0.8 cmdliner.2.1.1 compiler-cloning.enabled conf-mingw-w64-gcc-x86_64.1 dune.3.23.1 either.1.0.0 flexdll.0.44 gen.1.1 host-arch-x86_64.1 host-system-mingw.1 js_of_ocaml-compiler.6.4.0 js_of_ocaml-toplevel.6.4.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 mingw-w64-shims.1.0.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-compiler-libs.v0.17.0 ocaml-env-mingw64.1 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppxlib.0.38.0 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 system-mingw.1 topkg.1.1.1 yojson.3.0.0") 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 require.dev monarch.dev monaco.dev $DEPS")) <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [monaco.dev] synchronised (file://C:/cygwin64/home/opam/src) [monarch.dev] synchronised (file://C:/cygwin64/home/opam/src) [require.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-compiler is already installed (current version is 5.5.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0). [NOTE] Package ocaml is already installed (current version is 5.5.0). [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 compiler-cloning is already installed (current version is enabled). [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). # To update the current shell environment, run: eval $(opam env) 2026-06-26 22:00.16 ---> saved as "66079ab1bf3b64af79ce981eb08e104d56b50a1034a53f08c17a297fe10ab4e6" 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-compiler is already installed (current version is 5.5.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0). [NOTE] Package ocaml is already installed (current version is 5.5.0). [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 compiler-cloning is already installed (current version is enabled). [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 23 packages - install brr 0.0.8 - install cmdliner 2.1.1 - install dune 3.23.1 - install either 1.0.0 - install gen 1.1 - install js_of_ocaml-compiler 6.4.0 - install js_of_ocaml-toplevel 6.4.0 - install menhir 20260209 - install menhirCST 20260209 - install menhirGLR 20260209 - install menhirLib 20260209 - install menhirSdk 20260209 - install ocaml-compiler-libs v0.17.0 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ppx_derivers 1.2.1 - install ppxlib 0.38.0 - install sedlex 3.7 - install seq base - install sexplib0 v0.17.0 - install stdlib-shims 0.3.0 - install topkg 1.1.1 - install yojson 3.0.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved brr.0.0.8 (cached) -> retrieved cmdliner.2.1.1 (cached) -> retrieved either.1.0.0 (cached) -> retrieved gen.1.1 (cached) -> retrieved menhir.20260209, menhirCST.20260209, menhirGLR.20260209, menhirLib.20260209, menhirSdk.20260209 (cached) -> retrieved dune.3.23.1 (cached) -> retrieved js_of_ocaml-compiler.6.4.0, js_of_ocaml-toplevel.6.4.0 (cached) -> retrieved ocaml-compiler-libs.v0.17.0 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved ppxlib.0.38.0 (cached) -> retrieved sedlex.3.7 (cached) -> retrieved sexplib0.v0.17.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved yojson.3.0.0 (cached) -> installed cmdliner.2.1.1 -> installed dune.3.23.1 -> installed either.1.0.0 -> installed gen.1.1 -> installed menhirCST.20260209 -> installed menhirGLR.20260209 -> installed menhirLib.20260209 -> installed menhirSdk.20260209 [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\5.5\.opam-switch\build\ocamlfind.1.9.8\src\findlib\ocamlfind.exe [WARNING] Automatically adding .exe to C:\opam\.opam\5.5\.opam-switch\build\ocamlfind.1.9.8\src\findlib\ocamlfind_opt.exe [WARNING] C:\opam\.opam\5.5\bin\safe_camlp4 is a script; the command won't be available -> installed ocamlfind.1.9.8 -> installed ocaml-compiler-libs.v0.17.0 -> installed ocamlbuild.0.16.1 -> installed ppx_derivers.1.2.1 -> installed sexplib0.v0.17.0 -> installed stdlib-shims.0.3.0 -> installed yojson.3.0.0 -> installed menhir.20260209 -> installed topkg.1.1.1 -> installed ppxlib.0.38.0 -> installed sedlex.3.7 -> installed js_of_ocaml-compiler.6.4.0 -> installed js_of_ocaml-toplevel.6.4.0 -> installed brr.0.0.8 Done. # To update the current shell environment, run: eval $(opam env) 2026-06-26 22:21.38 ---> saved as "92bd2afb56c143b0d1ac50b69b4bcbd32d4b362aa9171b11432e84e437f54b12" C:/: (copy (src .) (dst /cygwin64/home/opam/src)) 2026-06-26 22:23.34 ---> saved as "170f375ed82e4cb31aeb8f674e257492fe4bb02efb252428e09de9a2a54609c6" C:/: (run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build")) 2026-06-26 22:24.54 ---> saved as "f8ad26ba347850d8ac30e3023b1e01fb358df77a6d8dcea3822306769a44d2fb" Job succeeded 2026-06-26 22:24.56: Job succeeded