2026-08-08 12:02.56: New job: Build using windows-x86_64 in
                                []
2026-08-08 12:02.56: Will push staging image to ocurrent/opam-staging:windows-server-msvc-ltsc2025-ocaml-4.14-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:aae67003d70c9e19231bf7136ffdbb4661fa6d35ce04f3f045e1f258dde04a25
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 4.14 --packages=ocaml-base-compiler.4.14.4,system-msvc
RUN opam pin add -k version ocaml-base-compiler 4.14.4
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-08-08 12:02.56: Using cache hint "4.14.4-amd64-ocurrent/opam-staging@sha256:aae67003d70c9e19231bf7136ffdbb4661fa6d35ce04f3f045e1f258dde04a25"
2026-08-08 12:02.56: Waiting for resource in pool OCluster
2026-08-08 12:02.56: Waiting for worker…
2026-08-08 12:02.57: 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:aae67003d70c9e19231bf7136ffdbb4661fa6d35ce04f3f045e1f258dde04a25
docker.io/ocurrent/opam-staging@sha256:aae67003d70c9e19231bf7136ffdbb4661fa6d35ce04f3f045e1f258dde04a25: Pulling from ocurrent/opam-staging
Digest: sha256:aae67003d70c9e19231bf7136ffdbb4661fa6d35ce04f3f045e1f258dde04a25
Status: Image is up to date for ocurrent/opam-staging@sha256:aae67003d70c9e19231bf7136ffdbb4661fa6d35ce04f3f045e1f258dde04a25
 ---> e71eaa115cc3
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Running in dabf11833886
 ---> Removed intermediate container dabf11833886
 ---> e98284bd7545
Step 3/7 : RUN opam switch create 4.14 --packages=ocaml-base-compiler.4.14.4,system-msvc
 ---> Running in fb92228c4b1f

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "4.14.4"} "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 flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> 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
-> installed ocaml-options-vanilla.1
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-base-compiler.4.14.4  (https://github.com/ocaml/ocaml/releases/download/4.14.4/ocaml_4.14.4.tar.gz)
-> installed conf-msvc64.1
-> installed ocaml-env-msvc64.1
-> installed system-msvc.1
-> installed ocaml-base-compiler.4.14.4
-> installed ocaml-config.3
-> installed ocaml.4.14.4
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=4.14') do @%i to update the current shell environment
 ---> Removed intermediate container fb92228c4b1f
 ---> ffb5b55029ca
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 4.14.4
 ---> Running in f6dda6088c4a
ocaml-base-compiler is now pinned to version 4.14.4

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 f6dda6088c4a
 ---> 91ea56f8e78c
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 1e0a27372d12
 ---> Removed intermediate container 1e0a27372d12
 ---> c0232e12ddae
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 31090423dea3
 ---> Removed intermediate container 31090423dea3
 ---> 448edf0a841d
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> fd97672c4619
Successfully built fd97672c4619
Pushing "sha256:fd97672c4619927a8628de7d546f59c9ac3d6257f68facf2d3f57f4761ba2613" to "ocurrent/opam-staging:windows-server-msvc-ltsc2025-ocaml-4.14-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-4.14-amd64: digest: sha256:e0173e7120f57eeba74751814023fc908d7d7b267e2a69d394e37e2cf00af7a1 size: 12315
Job succeeded
2026-08-08 12:25.01: Job succeeded