2026-08-29 10:16.37: New job: Build using windows-x86_64 in
                                []
2026-08-29 10:16.37: Will push staging image to ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.4-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad
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" ]


2026-08-29 10:16.37: Using cache hint "5.4.1-amd64-ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad"
2026-08-29 10:16.37: Waiting for resource in pool OCluster
2026-08-29 10:16.37: Waiting for worker…
2026-08-29 10:16.37: Got resource from pool OCluster
Building on ltsc2025-3
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad
docker.io/ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad: Pulling from ocurrent/opam-staging
Digest: sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad
Status: Image is up to date for ocurrent/opam-staging@sha256:a9f9d16d6a7ccae79f0ac0d326a62e0eac84a2cae748bc4966fbb69f636945ad
 ---> f78c6b8f3106
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Running in 8082501c59c1
 ---> Removed intermediate container 8082501c59c1
 ---> 50e501fe66bd
Step 3/7 : RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1,system-mingw
 ---> Running in 55e11af67157

<><> 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)
-> installed ocaml-options-vanilla.1
-> 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 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 55e11af67157
 ---> cbd02962def0
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.4.1
 ---> Running in d11923d500ec
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 d11923d500ec
 ---> 8da01181087a
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 338f87981c05
 ---> Removed intermediate container 338f87981c05
 ---> edafddabfd32
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 589c10f64185
 ---> Removed intermediate container 589c10f64185
 ---> 2fadaa9411f6
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 5defb540efb1
Successfully built 5defb540efb1
Pushing "sha256:5defb540efb1c8e499ae0a12250505800bf1aa61903f3649d331a6b5f66fa0bb" to "ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.4-amd64" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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Job succeeded
2026-08-29 10:43.01: Job succeeded