2026-06-10 22:22.24: New job: Build using windows-x86_64 in
                                []
2026-06-10 22:22.24: Will push staging image to ocurrent/opam-staging:windows-server-msvc-ltsc2025-ocaml-5.4-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:410ced5cd5fbe105041e7e66973104bb6a0d4f40a7d9880ba74749d0ea1c0627
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1,system-msvc
RUN opam pin add -k version ocaml-base-compiler 5.4.1
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-10 22:22.24: Using cache hint "5.4.1-amd64-ocurrent/opam-staging@sha256:410ced5cd5fbe105041e7e66973104bb6a0d4f40a7d9880ba74749d0ea1c0627"
2026-06-10 23:27.42: Waiting for worker…
2026-06-10 23:27.42: Got resource from pool OCluster
Building on ltsc2025-1
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:410ced5cd5fbe105041e7e66973104bb6a0d4f40a7d9880ba74749d0ea1c0627
docker.io/ocurrent/opam-staging@sha256:410ced5cd5fbe105041e7e66973104bb6a0d4f40a7d9880ba74749d0ea1c0627: Pulling from ocurrent/opam-staging
Digest: sha256:410ced5cd5fbe105041e7e66973104bb6a0d4f40a7d9880ba74749d0ea1c0627
Status: Image is up to date for ocurrent/opam-staging@sha256:410ced5cd5fbe105041e7e66973104bb6a0d4f40a7d9880ba74749d0ea1c0627
 ---> 96f78dfeeef9
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Using cache
 ---> b0b89cce913f
Step 3/7 : RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1,system-msvc
 ---> Running in fa6c50850072

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.4.1"} "system-msvc"]

<><> 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-msvc.1
-> retrieved msvs-detect.0.8.0  (https://github.com/metastack/msvs-tools/archive/refs/tags/0.8.0.tar.gz)
-> installed msvs-detect.0.8.0
-> retrieved flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> installed ocaml-option-no-compression.1
-> installed ocaml-options-vanilla.1
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved winpthreads.20240209-1  (https://github.com/ocaml/winpthreads/archive/20240209-1.tar.gz)
-> installed winpthreads.20240209-1
-> retrieved ocaml-compiler.5.4.1  (https://github.com/ocaml/ocaml/releases/download/5.4.1/ocaml-5.4.1.tar.gz)
-> installed conf-msvc64.1
-> installed ocaml-env-msvc64.1
-> installed system-msvc.1
-> 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.

<><> conf-msvc64.1 installed successfully <><><><><><><><><><><><><><><><><><><>
=> The Microsoft C compiler has been located in the environment which suggests opam
   is running either from a Tools Command Prompt or from another wrapper which is
   updating the environment variables.

   opam has not altered these environment settings, but you will need to ensure
   that future invocations of opam are done from the same environment, or the
   compiler will be unavailable.
# Run for /f "tokens=*" %i in ('opam env --switch=5.4') do @%i to update the current shell environment
 ---> Removed intermediate container fa6c50850072
 ---> 5957b548a0e6
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.4.1
 ---> Running in 01c5c691413a
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 01c5c691413a
 ---> 450a37c0626b
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in b29109056f53
 ---> Removed intermediate container b29109056f53
 ---> 690cbfaa3333
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 3f7edf17cdef
 ---> Removed intermediate container 3f7edf17cdef
 ---> db76cbefaa04
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 939cd90dc355
Successfully built 939cd90dc355
Pushing "sha256:939cd90dc355738fb7a7a2608dc67807ec302237f9166fd7513c60034ec00b7e" to "ocurrent/opam-staging:windows-server-msvc-ltsc2025-ocaml-5.4-amd64" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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windows-server-msvc-ltsc2025-ocaml-5.4-amd64: digest: sha256:a791bb3b84826df63711eccf422b3019ab2dd7b4c29a01b2c6b5b54c2c1ef59a size: 12315
The push refers to repository [docker.io/ocurrent/opam-staging]
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windows-server-msvc-ltsc2025-ocaml-5.4-amd64: digest: sha256:a791bb3b84826df63711eccf422b3019ab2dd7b4c29a01b2c6b5b54c2c1ef59a size: 12315
Job succeeded
2026-06-10 23:48.13: Job succeeded