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-mingw-ltsc2025-ocaml-5.4-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:b4704766a9c510f017ca624f75b7b35e96a88a7bb628ec0989142ffacadc6ec8
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" ]


2026-05-17 20:08.16: Using cache hint "5.4.1-amd64-ocurrent/opam-staging@sha256:b4704766a9c510f017ca624f75b7b35e96a88a7bb628ec0989142ffacadc6ec8"
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 20:40.41: Waiting for worker…
2026-05-17 20:40.41: 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:b4704766a9c510f017ca624f75b7b35e96a88a7bb628ec0989142ffacadc6ec8
docker.io/ocurrent/opam-staging@sha256:b4704766a9c510f017ca624f75b7b35e96a88a7bb628ec0989142ffacadc6ec8: Pulling from ocurrent/opam-staging
Digest: sha256:b4704766a9c510f017ca624f75b7b35e96a88a7bb628ec0989142ffacadc6ec8
Status: Image is up to date for ocurrent/opam-staging@sha256:b4704766a9c510f017ca624f75b7b35e96a88a7bb628ec0989142ffacadc6ec8
 ---> 7d7d50c3af2e
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Using cache
 ---> 98eaae63ee1c
Step 3/7 : RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1,system-mingw
 ---> Running in 98b454c4a7bc

<><> 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
-> retrieved flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> retrieved mingw-w64-shims.0.2.0  (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/0.2.0.tar.gz)
-> installed ocaml-options-vanilla.1
-> installed conf-mingw-w64-gcc-x86_64.1
-> installed ocaml-env-mingw64.1
-> installed system-mingw.1
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> installed mingw-w64-shims.0.2.0
-> 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 98b454c4a7bc
 ---> 34dbe6d08cbb
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.4.1
 ---> Running in 761cd4f3e938
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 761cd4f3e938
 ---> 72c37170edc1
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 6034d1bb72fa
 ---> Removed intermediate container 6034d1bb72fa
 ---> 6fec29b263e5
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in cedcbbb49365
 ---> Removed intermediate container cedcbbb49365
 ---> 0ccb53f62305
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> db2f623561c6
Successfully built db2f623561c6
Pushing "sha256:db2f623561c69fd3437c166b691c471a4801f6da0550b8ecbd11d97479b5f50a" 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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windows-server-mingw-ltsc2025-ocaml-5.4-amd64: digest: sha256:f6fe41e0b6593eabd31661c8378c0ce84b2bd17c34972fa807181a5dd876ff44 size: 10631
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windows-server-mingw-ltsc2025-ocaml-5.4-amd64: digest: sha256:f6fe41e0b6593eabd31661c8378c0ce84b2bd17c34972fa807181a5dd876ff44 size: 10631
Job succeeded
2026-05-17 21:06.43: Job succeeded