2026-05-17 20:08.16: New job: Build using windows-x86_64 in
                                []
2026-05-17 20:08.16: Will push staging image to ocurrent/opam-staging:windows-server-msvc-ltsc2025-ocaml-4.14-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:4d26f608d18321fd99ac3e87b6e8e0ef4007ec83c2f337e3b6284e2d79507fa5
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 4.14 --packages=ocaml-base-compiler.4.14.3,system-msvc
RUN opam pin add -k version ocaml-base-compiler 4.14.3
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-05-17 20:08.16: Using cache hint "4.14.3-amd64-ocurrent/opam-staging@sha256:4d26f608d18321fd99ac3e87b6e8e0ef4007ec83c2f337e3b6284e2d79507fa5"
2026-05-17 20:08.16: Waiting for confirm-threshold > above-average
2026-05-17 20:10.16: Confirm-threshold now > above-average
2026-05-17 21:06.43: Waiting for worker…
2026-05-17 21:06.43: Got resource from pool OCluster
Building on ltsc2025-1
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:4d26f608d18321fd99ac3e87b6e8e0ef4007ec83c2f337e3b6284e2d79507fa5
docker.io/ocurrent/opam-staging@sha256:4d26f608d18321fd99ac3e87b6e8e0ef4007ec83c2f337e3b6284e2d79507fa5: Pulling from ocurrent/opam-staging
Digest: sha256:4d26f608d18321fd99ac3e87b6e8e0ef4007ec83c2f337e3b6284e2d79507fa5
Status: Image is up to date for ocurrent/opam-staging@sha256:4d26f608d18321fd99ac3e87b6e8e0ef4007ec83c2f337e3b6284e2d79507fa5
 ---> e244228669fe
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Running in 5a02af2096a6
 ---> Removed intermediate container 5a02af2096a6
 ---> 4dcfd99a8266
Step 3/7 : RUN opam switch create 4.14 --packages=ocaml-base-compiler.4.14.3,system-msvc
 ---> Running in 3c170e4c7a3d

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "4.14.3"} "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.4.14.3  (https://github.com/ocaml/ocaml/archive/4.14.3.tar.gz)
-> installed conf-msvc64.1
-> installed ocaml-env-msvc64.1
-> installed system-msvc.1
-> installed ocaml-base-compiler.4.14.3
-> installed ocaml-config.3
-> installed ocaml.4.14.3
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 3c170e4c7a3d
 ---> 3ead56d6a677
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 4.14.3
 ---> Running in cea958f4a77b
ocaml-base-compiler is now pinned to version 4.14.3

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 cea958f4a77b
 ---> d049986357ec
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 6cb20abe1972
 ---> Removed intermediate container 6cb20abe1972
 ---> 31662b144bc0
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in aa517a645cf4
 ---> Removed intermediate container aa517a645cf4
 ---> 53ccfca63f41
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 694c20b99e2a
Successfully built 694c20b99e2a
Pushing "sha256:694c20b99e2a9d7ccf1700f0c433baedda3c7ccbff98613d1f43005ada2083e6" 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: sha256:2de0d018b897222d7d8b228ab8ab8e1997d6fa205f969392a7ecf13629d67b65 size: 12316
Job succeeded
2026-05-17 21:37.14: Job succeeded