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-5.3-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:0f151727f93bb1aed3df90af1d09fecd02f0c36e16226be058d2c75f90bfb4ed
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0,system-mingw
RUN opam pin add -k version ocaml-base-compiler 5.3.0
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-05-21 05:38.49: Using cache hint "5.3.0-amd64-ocurrent/opam-staging@sha256:0f151727f93bb1aed3df90af1d09fecd02f0c36e16226be058d2c75f90bfb4ed"
2026-05-21 06:13.56: Waiting for worker…
2026-05-21 06:13.56: 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 5.3 --packages=ocaml-base-compiler.5.3.0,system-mingw
 ---> Running in 943780a50267

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.3.0"} "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-compiler.5.3.0  (https://github.com/ocaml/ocaml/releases/download/5.3.0/ocaml-5.3.0.tar.gz)
-> 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.
# Run for /f "tokens=*" %i in ('opam env --switch=5.3') do @%i to update the current shell environment
 ---> Removed intermediate container 943780a50267
 ---> 2842766c83b3
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.3.0
 ---> Running in 634834ab32f6
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 634834ab32f6
 ---> 06639afc29d6
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 56e4ede03f76
 ---> Removed intermediate container 56e4ede03f76
 ---> a2ac074fadfe
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 9fce1b4edd5b
 ---> Removed intermediate container 9fce1b4edd5b
 ---> 9a6fed52be1b
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
Pushing "sha256:a3e54d09bd1236f4ff0092fcfabc4364162464c27b3c2776154c69c4a360546b" to "ocurrent/opam-staging:windows-mingw-ltsc2019-ocaml-5.3-amd64" as user "ocurrentbuilder"
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windows-mingw-ltsc2019-ocaml-5.3-amd64: digest: sha256:a3ddfc7615f36e2b30620c6b59d691a0558606665b22732484c57ea3541f0d0f size: 10636
Job succeeded
2026-05-21 06:52.21: Job succeeded