2026-03-07 10:13.08: New job: Build using windows-1809-x86_64 in
                                []
2026-03-07 10:13.08: Will push staging image to ocurrent/opam-staging:windows-msvc-ltsc2019-ocaml-5.4-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:5caad5044ff80822ca54b2e1302da75ed6f951eb634be624562dfc43713eaae7
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.0,system-msvc
RUN opam pin add -k version ocaml-base-compiler 5.4.0
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-03-07 10:13.08: Using cache hint "5.4.0-amd64-ocurrent/opam-staging@sha256:5caad5044ff80822ca54b2e1302da75ed6f951eb634be624562dfc43713eaae7"
2026-03-07 10:13.08: Waiting for resource in pool OCluster
2026-03-07 11:16.40: Waiting for worker…
2026-03-07 11:19.43: Got resource from pool OCluster
Building on ltsc2019-1
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:5caad5044ff80822ca54b2e1302da75ed6f951eb634be624562dfc43713eaae7
docker.io/ocurrent/opam-staging@sha256:5caad5044ff80822ca54b2e1302da75ed6f951eb634be624562dfc43713eaae7: Pulling from ocurrent/opam-staging
Digest: sha256:5caad5044ff80822ca54b2e1302da75ed6f951eb634be624562dfc43713eaae7
Status: Image is up to date for ocurrent/opam-staging@sha256:5caad5044ff80822ca54b2e1302da75ed6f951eb634be624562dfc43713eaae7
 ---> cab1aefc437d
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Using cache
 ---> 39b690bd00d1
Step 3/7 : RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.0,system-msvc
 ---> Running in ea32ba8176e5

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.4.0"} "system-msvc"]

<><> 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-msvc.1
-> retrieved flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> retrieved msvs-detect.0.8.0  (https://github.com/metastack/msvs-tools/archive/refs/tags/0.8.0.tar.gz)
-> installed msvs-detect.0.8.0
-> installed ocaml-option-no-compression.1
-> installed ocaml-options-vanilla.1
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved winpthreads.20240209-1  (https://github.com/ocaml/winpthreads/archive/20240209-1.tar.gz)
-> retrieved ocaml-compiler.5.4.0  (https://github.com/ocaml/ocaml/releases/download/5.4.0/ocaml-5.4.0.tar.gz)
-> installed conf-msvc64.1
-> installed winpthreads.20240209-1
-> installed ocaml-env-msvc64.1
-> installed system-msvc.1
-> installed ocaml-compiler.5.4.0
-> installed ocaml-base-compiler.5.4.0
-> installed ocaml-config.3
-> installed ocaml.5.4.0
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
Done.

<><> conf-msvc64.1 installed successfully <><><><><><><><><><><><><><><><><><><>
=> The Microsoft C compiler has been located in the environment which suggests opam
   is running either from a Tools Command Prompt or from another wrapper which is
   updating the environment variables.

   opam has not altered these environment settings, but you will need to ensure
   that future invocations of opam are done from the same environment, or the
   compiler will be unavailable.
# Run for /f "tokens=*" %i in ('opam env --switch=5.4') do @%i to update the current shell environment
 ---> Removed intermediate container ea32ba8176e5
 ---> c7b4f4ba2cb0
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.4.0
 ---> Running in 272d455c9359
ocaml-base-compiler is now pinned to version 5.4.0

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 272d455c9359
 ---> 2a5b7b3a198d
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 7556ade682a6
 ---> Removed intermediate container 7556ade682a6
 ---> d221e4c05ac2
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in f91030381d73
 ---> Removed intermediate container f91030381d73
 ---> 9952cb967d33
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 8921b102af71
Successfully built 8921b102af71
Pushing "sha256:8921b102af714ca01c378ab468cf3ea9f941f98b2fce9d07ac1e87282b4fe045" to "ocurrent/opam-staging:windows-msvc-ltsc2019-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
2026-03-07 11:54.26: Job succeeded