2026-03-19 08:06.46: New job: test kit-ty-kate/camllzma https://github.com/kit-ty-kate/camllzma.git#refs/heads/main (39b1d49cd26494654efc753be2728a9d86a2c6b4) (windows-x86_64:windows-server-mingw-ltsc2025-5.4_opam-2.5) Base: ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869 Opam project build To reproduce locally: git clone --recursive "https://github.com/kit-ty-kate/camllzma.git" -b "main" && cd "camllzma" && git reset --hard 39b1d49c cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869 # 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 opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version RUN cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 camllzma.opam /cygwin64/home/opam/src/./ RUN opam pin add -yn camllzma.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 conf-liblzma.1 conf-mingw-w64-gcc-x86_64.1 conf-pkg-config.4 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 flexdll.0.44 host-arch-x86_64.1 host-system-mingw.1 mingw-w64-shims.0.2.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-env-mingw64.1 ocaml-options-vanilla.1 system-mingw.1" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y camllzma.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 2026-03-19 08:06.46: Using cache hint "kit-ty-kate/camllzma-ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869-windows-server-mingw-ltsc2025-5.4_opam-2.5-6e97b96f2748c25205d7c089caf3769e" 2026-03-19 08:06.46: Using OBuilder spec: ((from ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869) (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 (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 "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src camllzma.opam) (dst /cygwin64/home/opam/src/./)) (run (network host) (shell "opam pin add -yn camllzma.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 conf-liblzma.1 conf-mingw-w64-gcc-x86_64.1 conf-pkg-config.4 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 flexdll.0.44 host-arch-x86_64.1 host-system-mingw.1 mingw-w64-shims.0.2.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-env-mingw64.1 ocaml-options-vanilla.1 system-mingw.1") (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 camllzma.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")) ) 2026-03-19 08:06.46: Waiting for resource in pool OCluster 2026-03-19 18:51.29: Waiting for worker… 2026-03-20 06:47.25: Got resource from pool OCluster Building on ltsc2025-2 All commits already cached HEAD is now at 39b1d49 Improve the interface (from ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869) 2026-03-20 06:47.36 ---> using "a21c3d6a5c8ade59b5718498d4946f2d30bc2f15b3081890bc8673cc20de69f7" 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")) 2026-03-20 06:47.36 ---> using "ba707ce1f62b585e8ecb40306d921206316b14fded440e6c49f33aa7897cc9c7" 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 2026-03-20 06:47.36 ---> using "dd67e9cc18682a923590cd564dd7cd6177b4afe1c25b1d53bacf8ae6b5b2364f" from cache C:/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) CYGWIN_NT-10.0-26100 3.6.6-1.x86_64 The OCaml toplevel, version 5.4.0 2.5.0 2026-03-20 06:47.36 ---> using "c97059ecb6d76caa6ea35cf8e41cecaa775dc323c43ea7e5cc23418742ce7876" from cache C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD b820e8c25e..9f189ca4f9 master -> origin/master 9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file://C:/cygwin64/home/opam/opam-repository Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-03-20 06:47.36 ---> using "ced7f83c95757ead588801f972f0887e8eaeeba3e8859b2fa40215950a6457f6" from cache C:/: (copy (src camllzma.opam) (dst /cygwin64/home/opam/src/./)) 2026-03-20 06:49.32 ---> saved as "11fe436a8c268b4ac29775941230f12904366430e91e9bba7f7d22e4edf94487" C:/: (run (network host) (shell "opam pin add -yn camllzma.dev '/cygwin64/home/opam/src/./'")) [NOTE] Package camllzma does not exist in opam repositories registered in the current switch. [camllzma.dev] synchronised (file://C:/cygwin64/home/opam/src) camllzma is now pinned to file://C:/cygwin64/home/opam/src (version dev) 2026-03-20 06:50.51 ---> saved as "72e794ea529b4221a0c98859b346b23bbebae13b0d9802f01d74147421570d51" C:/: (run (shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'")) 2026-03-20 06:52.12 ---> saved as "00a20bd528d5af470089a8383f635bfea9be4e64252ec520d960e53c8d68dd97" 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 conf-liblzma.1 conf-mingw-w64-gcc-x86_64.1 conf-pkg-config.4 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 flexdll.0.44 host-arch-x86_64.1 host-system-mingw.1 mingw-w64-shims.0.2.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-env-mingw64.1 ocaml-options-vanilla.1 system-mingw.1") 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 camllzma.dev $DEPS")) <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [camllzma.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 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [NOTE] Package mingw-w64-shims is already installed (current version is 0.2.0). [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: pkgconf <><> 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" "pkgconf" - 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: 2 tasks, update: no, use test packages: no - Augmented Transaction List: - 0 install libpkgconf7 2.5.1-1 - 1 install pkgconf 2.5.1-1 - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/pkgconf/libpkgconf7/libpkgconf7-2.5.1-1-x86_64.tar.zst - Downloaded C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/pkgconf/pkgconf-2.5.1-1-x86_64.tar.zst - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/pkgconf/libpkgconf7/libpkgconf7-2.5.1-1-x86_64.tar.zst - Extracting from file://C:\TEMP\cache/https%3a%2f%2fmirrors.kernel.org%2fsourceware%2fcygwin%2f/x86_64/release/pkgconf/pkgconf-2.5.1-1-x86_64.tar.zst - 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\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) 2026-03-20 07:26.44 ---> saved as "d1d0868c6e6a0ca30bf1356055b2242851d4252cc7abe64e9ffcfecbb7cc3a83" C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache"))) (network host) (shell "opam install $DEPS")) Failure("Failed to prepare snapshot obuilder-2ffc0ac6f6e3b47d0f29c5350bf20ecfbab58e2e55c997c3c5a27abc3bd934b9: \"ctr\" \"snapshot\" \"prepare\" \"--mounts\" \"obuilder-2ffc0ac6f6e3b47d0f29c5350bf20ecfbab58e2e55c997c3c5a27abc3bd934b9\" \"obuilder-d1d0868c6e6a0ca30bf1356055b2242851d4252cc7abe64e9ffcfecbb7cc3a83-committed\" failed with exit status 1") 2026-03-20 07:27.03: Job failed: Failed: Build failed