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-5.3-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:4d26f608d18321fd99ac3e87b6e8e0ef4007ec83c2f337e3b6284e2d79507fa5
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0,system-msvc
RUN opam pin add -k version ocaml-base-compiler 5.3.0
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-05-17 20:08.16: Using cache hint "5.3.0-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 21:37.14: Waiting for worker…
2026-05-17 21:37.14: 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"
 ---> Using cache
 ---> 4dcfd99a8266
Step 3/7 : RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0,system-msvc
 ---> Running in 1d9438853d1d

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.3.0"} "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.5.3.0  (https://github.com/ocaml/ocaml/releases/download/5.3.0/ocaml-5.3.0.tar.gz)
-> installed conf-msvc64.1
-> installed ocaml-env-msvc64.1
-> installed system-msvc.1
-> installed ocaml-compiler.5.3.0
-> installed ocaml-base-compiler.5.3.0
-> installed ocaml-config.3
-> installed ocaml.5.3.0
-> 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=5.3') do @%i to update the current shell environment
 ---> Removed intermediate container 1d9438853d1d
 ---> dfc3a16d3b61
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.3.0
 ---> Running in d3d5464e42cf
ocaml-base-compiler is now pinned to version 5.3.0

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 d3d5464e42cf
 ---> 02448b53e632
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 2d674913c6c8
 ---> Removed intermediate container 2d674913c6c8
 ---> f277846b731f
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 35bfa23d31f6
 ---> Removed intermediate container 35bfa23d31f6
 ---> 1581deced3ce
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> dd2595f49f77
Successfully built dd2595f49f77
Pushing "sha256:dd2595f49f7702da62cac24c5a831ee09b0f9ba963496f35d1ff953a53756f39" to "ocurrent/opam-staging:windows-server-msvc-ltsc2025-ocaml-5.3-amd64" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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Job succeeded
2026-05-17 22:08.51: Job succeeded