2026-09-19 20:40.16: New job: Build using windows-x86_64 in
                                []
2026-09-19 20:40.16: Will push staging image to ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.2-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:80a526c44991cbc56681f0ff8d2ad4ff103e8be2064393c018c891f52f667fe9
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" ]


2026-09-19 20:40.16: Using cache hint "5.2.1-amd64-ocurrent/opam-staging@sha256:80a526c44991cbc56681f0ff8d2ad4ff103e8be2064393c018c891f52f667fe9"
2026-09-19 20:40.16: Waiting for resource in pool OCluster
2026-09-19 20:40.16: Waiting for worker…
2026-09-19 20:40.16: Got resource from pool OCluster
Building on ltsc2025-3
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:80a526c44991cbc56681f0ff8d2ad4ff103e8be2064393c018c891f52f667fe9
docker.io/ocurrent/opam-staging@sha256:80a526c44991cbc56681f0ff8d2ad4ff103e8be2064393c018c891f52f667fe9: Pulling from ocurrent/opam-staging
Digest: sha256:80a526c44991cbc56681f0ff8d2ad4ff103e8be2064393c018c891f52f667fe9
Status: Image is up to date for ocurrent/opam-staging@sha256:80a526c44991cbc56681f0ff8d2ad4ff103e8be2064393c018c891f52f667fe9
 ---> f67c8ee77bda
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Running in de3ae82e2024
 ---> Removed intermediate container de3ae82e2024
 ---> 1d10ba912287
Step 3/7 : RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1,system-mingw
 ---> Running in 94444daf751e

<><> 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)
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> installed conf-mingw-w64-gcc-x86_64.1
-> installed flexdll.0.44
-> installed ocaml-env-mingw64.1
-> installed ocaml-options-vanilla.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 94444daf751e
 ---> 0b2ed22a476f
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.2.1
 ---> Running in af6c5d9b2816
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 af6c5d9b2816
 ---> 2b2647bb9d70
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 395eaffc560e
 ---> Removed intermediate container 395eaffc560e
 ---> afaa468d6b1d
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in e8bcb0d5d7d5
 ---> Removed intermediate container e8bcb0d5d7d5
 ---> e79db05fb5a5
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 0ab34fd8b5a1
Successfully built 0ab34fd8b5a1
Pushing "sha256:0ab34fd8b5a1d58e14e9b2f4ece6b9b67335d937fe09da4cd32ec721f632a786" 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: sha256:51c7518e950d5962f11e7700fd4fe008c10ccbff54d489f0d1e81441bf80401b size: 11264
Job succeeded
2026-09-19 21:54.59: Job succeeded