2026-05-21 05:38.49: New job: Build using windows-1809-x86_64 in
                                []
2026-05-21 05:38.49: Will push staging image to ocurrent/opam-staging:windows-mingw-ltsc2019-ocaml-5.2-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:0f151727f93bb1aed3df90af1d09fecd02f0c36e16226be058d2c75f90bfb4ed
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1,system-mingw
RUN opam pin add -k version ocaml-base-compiler 5.2.1
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-05-21 05:38.49: Using cache hint "5.2.1-amd64-ocurrent/opam-staging@sha256:0f151727f93bb1aed3df90af1d09fecd02f0c36e16226be058d2c75f90bfb4ed"
2026-05-21 05:38.49: Waiting for worker…
2026-05-21 05:41.20: Got resource from pool OCluster
Building on ltsc2019-1
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:0f151727f93bb1aed3df90af1d09fecd02f0c36e16226be058d2c75f90bfb4ed
docker.io/ocurrent/opam-staging@sha256:0f151727f93bb1aed3df90af1d09fecd02f0c36e16226be058d2c75f90bfb4ed: Pulling from ocurrent/opam-staging
Digest: sha256:0f151727f93bb1aed3df90af1d09fecd02f0c36e16226be058d2c75f90bfb4ed
Status: Image is up to date for ocurrent/opam-staging@sha256:0f151727f93bb1aed3df90af1d09fecd02f0c36e16226be058d2c75f90bfb4ed
 ---> 091b4437faea
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Using cache
 ---> f2c0c609ebe8
Step 3/7 : RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1,system-mingw
 ---> Running in a4cc923774e5

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.2.1"} "system-mingw"]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed arch-x86_64.1
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> installed conf-mingw-w64-gcc-x86_64.1
-> installed host-arch-x86_64.1
-> installed host-system-mingw.1
-> retrieved mingw-w64-shims.0.2.0  (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/0.2.0.tar.gz)
-> retrieved flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> installed flexdll.0.44
-> installed mingw-w64-shims.0.2.0
-> installed ocaml-env-mingw64.1
-> installed ocaml-options-vanilla.1
-> installed system-mingw.1
-> retrieved ocaml-base-compiler.5.2.1  (https://github.com/ocaml/ocaml/releases/download/5.2.1/ocaml-5.2.1.tar.gz)
-> installed ocaml-base-compiler.5.2.1
-> installed ocaml-config.3
-> installed ocaml.5.2.1
-> installed base-domains.base
-> installed base-nnp.base
Done.
# Run for /f "tokens=*" %i in ('opam env --switch=5.2') do @%i to update the current shell environment
 ---> Removed intermediate container a4cc923774e5
 ---> a7a67fc335d4
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.2.1
 ---> Running in c8bb8a90af6d
ocaml-base-compiler is now pinned to version 5.2.1

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 c8bb8a90af6d
 ---> 6251c2f2b2ba
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in df5a254bd999
 ---> Removed intermediate container df5a254bd999
 ---> b05b94ee2a5c
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in a25f9d6c466a
 ---> Removed intermediate container a25f9d6c466a
 ---> 1df10e9ed796
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
Pushing "sha256:071efd0e9822ee92c0219a2a20d11295a737c4d9735f473259d98d4c07e1af1b" to "ocurrent/opam-staging:windows-mingw-ltsc2019-ocaml-5.2-amd64" as user "ocurrentbuilder"
Login Succeeded
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windows-mingw-ltsc2019-ocaml-5.2-amd64: digest: sha256:351e7c242ea7dfc539bd3a870071ca93b6eea899a89452816f81217597574a5a size: 10636
Job succeeded
2026-05-21 06:15.55: Job succeeded