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-5.4-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:80a526c44991cbc56681f0ff8d2ad4ff103e8be2064393c018c891f52f667fe9
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1,system-mingw
RUN opam pin add -k version ocaml-base-compiler 5.4.1
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-09-19 20:40.16: Using cache hint "5.4.1-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 ltsc2025-2
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:80a526c44991cbc56681f0ff8d2ad4ff103e8be2064393c018c891f52f667fe9
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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 d223ad4a0d1c
 ---> Removed intermediate container d223ad4a0d1c
 ---> f14cf5bba788
Step 3/7 : RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1,system-mingw
 ---> Running in de7929f73694

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.4.1"} "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 flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> retrieved conf-mingw-w64-gcc-x86_64.1  (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/1.0.1.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 ocaml-env-mingw64.1
-> installed ocaml-options-vanilla.1
-> installed system-mingw.1
-> retrieved ocaml-compiler.5.4.1  (https://github.com/ocaml/ocaml/releases/download/5.4.1/ocaml-5.4.1.tar.gz)
-> installed ocaml-compiler.5.4.1
-> installed ocaml-base-compiler.5.4.1
-> installed ocaml-config.3
-> installed ocaml.5.4.1
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
Done.
# Run for /f "tokens=*" %i in ('opam env --switch=5.4') do @%i to update the current shell environment
 ---> Removed intermediate container de7929f73694
 ---> d706b8de5923
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.4.1
 ---> Running in e92056abe6b7
ocaml-base-compiler is now pinned to version 5.4.1

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 e92056abe6b7
 ---> d70f607b66d7
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in c0efb4061a31
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 ---> 142c54d11f24
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 263a86ecbed3
 ---> Removed intermediate container 263a86ecbed3
 ---> 7119d9d2cb8e
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 93ccdc9ff605
Successfully built 93ccdc9ff605
Pushing "sha256:93ccdc9ff6053c93bfb0558ecea73db48f9ca2f3bd4099dca261de852d2b4675" to "ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.4-amd64" as user "ocurrentbuilder"
Login Succeeded
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windows-server-mingw-ltsc2025-ocaml-5.4-amd64: digest: sha256:547a8d47946517bb9c2b07c0712aa9d094a012f820c6a58fb8f278a68a200636 size: 11264
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windows-server-mingw-ltsc2025-ocaml-5.4-amd64: digest: sha256:547a8d47946517bb9c2b07c0712aa9d094a012f820c6a58fb8f278a68a200636 size: 11264
Job succeeded
2026-09-19 22:07.51: Job succeeded