2026-06-10 21:48.04: New job: Build using windows-x86_64 in
                                []
2026-06-10 21:48.04: Will push staging image to ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.2-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48
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" ]


2026-06-10 21:48.04: Using cache hint "5.2.1-amd64-ocurrent/opam-staging@sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48"
2026-06-10 22:22.24: Waiting for worker…
2026-06-10 22:22.24: 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:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48
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Digest: sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48
Status: Downloaded newer image for ocurrent/opam-staging@sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48
 ---> 65324486415e
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Running in 742d3934837f
 ---> Removed intermediate container 742d3934837f
 ---> 61abbf648ffe
Step 3/7 : RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1,system-mingw
 ---> Running in 18529659a5d5

<><> 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 conf-mingw-w64-gcc-x86_64.1
-> retrieved mingw-w64-shims.0.2.0  (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/0.2.0.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
-> installed mingw-w64-shims.0.2.0
-> installed ocaml-env-mingw64.1
-> installed system-mingw.1
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> 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 18529659a5d5
 ---> 81e371e92de3
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.2.1
 ---> Running in 9511317371c1
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 9511317371c1
 ---> a62877963697
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in a561d8e98735
 ---> Removed intermediate container a561d8e98735
 ---> 48aa93f76b7b
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 7a889d76acf0
 ---> Removed intermediate container 7a889d76acf0
 ---> d6005a8a8281
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 8164356a9d85
Successfully built 8164356a9d85
Pushing "sha256:8164356a9d853c3c49aeee189d172ff5ce1a04cfee3ffc9371dfa8a80b348213" 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: sha256:444adc0a6a98aa3464b8cdce7e2a357384e6713871dd5886bb75a33e95f5665e size: 10631
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windows-server-mingw-ltsc2025-ocaml-5.2-amd64: digest: sha256:444adc0a6a98aa3464b8cdce7e2a357384e6713871dd5886bb75a33e95f5665e size: 10631
Job succeeded
2026-06-10 23:08.10: Job succeeded