2026-08-29 10:16.37: New job: Build using windows-x86_64 in
                                []
2026-08-29 10:16.37: Will push staging image to ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.2-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1,system-mingw
RUN opam pin add -k version ocaml-base-compiler 5.2.1
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-08-29 10:16.37: Using cache hint "5.2.1-amd64-ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad"
2026-08-29 10:16.37: Waiting for resource in pool OCluster
2026-08-29 10:16.37: Waiting for worker…
2026-08-29 10:16.37: Got resource from pool OCluster
Building on ltsc2025-2
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad
docker.io/ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad: Pulling from ocurrent/opam-staging
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Digest: sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad
Status: Downloaded newer image for ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad
 ---> f78c6b8f3106
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Running in 1e6beda78353
 ---> Removed intermediate container 1e6beda78353
 ---> 41f5e60ad865
Step 3/7 : RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1,system-mingw
 ---> Running in fbda828c45b5

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.2.1"} "system-mingw"]

<><> 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
-> installed mingw-w64-shims.1.0.1
-> retrieved conf-mingw-w64-gcc-x86_64.1  (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/1.0.1.tar.gz)
-> retrieved flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> installed ocaml-options-vanilla.1
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> installed conf-mingw-w64-gcc-x86_64.1
-> installed ocaml-env-mingw64.1
-> installed system-mingw.1
-> retrieved ocaml-base-compiler.5.2.1  (https://github.com/ocaml/ocaml/releases/download/5.2.1/ocaml-5.2.1.tar.gz)
-> installed ocaml-base-compiler.5.2.1
-> installed ocaml-config.3
-> installed ocaml.5.2.1
-> installed base-domains.base
-> installed base-nnp.base
Done.
# Run for /f "tokens=*" %i in ('opam env --switch=5.2') do @%i to update the current shell environment
 ---> Removed intermediate container fbda828c45b5
 ---> de96a09afae5
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.2.1
 ---> Running in baee327d8a7e
ocaml-base-compiler is now pinned to version 5.2.1

No package build needed.
Nothing to do.
# Run for /f "tokens=*" %i in ('opam env') do @%i to update the current shell environment
 ---> Removed intermediate container baee327d8a7e
 ---> f240f296e129
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 22847804bd18
 ---> Removed intermediate container 22847804bd18
 ---> 27f63a44c02c
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 4e537c5585aa
 ---> Removed intermediate container 4e537c5585aa
 ---> 24824286a666
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> d80008c4d79d
Successfully built d80008c4d79d
Pushing "sha256:d80008c4d79de6a632188e9cd32352073df802e82099021b048eb864e8a2f504" to "ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.2-amd64" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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windows-server-mingw-ltsc2025-ocaml-5.2-amd64: digest: sha256:137b266b478185395a2788c54b10fb902e1cb4760e55ac64a975e4b23b70379e size: 10631
Job succeeded
2026-08-29 11:04.14: Job succeeded