2026-08-08 11:57.34: New job: Build using windows-x86_64 in
                                []
2026-08-08 11:57.34: Will push staging image to ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.4-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:1caa2093ff36081cec87a3d23b7f14698ccb2ff97d17260edfe55e6798069fac
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" ]


2026-08-08 11:57.34: Using cache hint "5.4.1-amd64-ocurrent/opam-staging@sha256:1caa2093ff36081cec87a3d23b7f14698ccb2ff97d17260edfe55e6798069fac"
2026-08-08 11:57.34: Waiting for resource in pool OCluster
2026-08-08 11:57.34: Waiting for worker…
2026-08-08 11:57.45: Got resource from pool OCluster
Building on ltsc2025-2
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:1caa2093ff36081cec87a3d23b7f14698ccb2ff97d17260edfe55e6798069fac
docker.io/ocurrent/opam-staging@sha256:1caa2093ff36081cec87a3d23b7f14698ccb2ff97d17260edfe55e6798069fac: Pulling from ocurrent/opam-staging
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Digest: sha256:1caa2093ff36081cec87a3d23b7f14698ccb2ff97d17260edfe55e6798069fac
Status: Image is up to date for ocurrent/opam-staging@sha256:1caa2093ff36081cec87a3d23b7f14698ccb2ff97d17260edfe55e6798069fac
 ---> 9751ce068edb
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Running in 3f5944fb49f4
 ---> Removed intermediate container 3f5944fb49f4
 ---> 5e0886d51e65
Step 3/7 : RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1,system-mingw
 ---> Running in aae5986ebe24

<><> 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 conf-mingw-w64-gcc-x86_64.1  (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/1.0.1.tar.gz)
-> retrieved flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> 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 aae5986ebe24
 ---> 2b90e908e460
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.4.1
 ---> Running in ccc59adb3e8d
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 ccc59adb3e8d
 ---> 4d1ec2b7c827
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 5e429f81815d
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 ---> 087a98539036
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in c37965ad1ab0
 ---> Removed intermediate container c37965ad1ab0
 ---> cf162d594433
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 8376eb242e68
Successfully built 8376eb242e68
Pushing "sha256:8376eb242e68418883802a4fbdbe509f36538517a59c04a61fbee9c1d6b61449" 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: sha256:72cd687ae78b63ece78e86961200b2fe597048b420b7fb01f513a0e5f87548d1 size: 10631
Job succeeded
2026-08-08 12:51.08: Job succeeded